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11441110421 = 13291012691117
BaseRepresentation
bin10101010011111000…
…10111110110010101
31002112100110121222102
422221330113312111
5141412411013141
65131142411445
7553343556026
oct125174276625
932470417872
1011441110421
114941232664
122273730b85
131104431030
147a76d6c4d
1546e67399b
hex2a9f17d95

11441110421 has 32 divisors (see below), whose sum is σ = 12931682400. Its totient is φ = 10049356800.

The previous prime is 11441110411. The next prime is 11441110463. The reversal of 11441110421 is 12401114411.

It can be written as a sum of positive squares in 16 ways, for example, as 6258550321 + 5182560100 = 79111^2 + 71990^2 .

It is a cyclic number.

It is not a de Polignac number, because 11441110421 - 214 = 11441094037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11441110393 and 11441110402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11441110411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10242155 + ... + 10243271.

It is an arithmetic number, because the mean of its divisors is an integer number (404115075).

Almost surely, 211441110421 is an apocalyptic number.

It is an amenable number.

11441110421 is a deficient number, since it is larger than the sum of its proper divisors (1490571979).

11441110421 is a wasteful number, since it uses less digits than its factorization.

11441110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11441110421 its reverse (12401114411), we get a palindrome (23842224832).

The spelling of 11441110421 in words is "eleven billion, four hundred forty-one million, one hundred ten thousand, four hundred twenty-one".

Divisors: 1 13 29 101 269 377 1117 1313 2929 3497 7801 14521 27169 32393 38077 101413 112817 300473 353197 421109 787901 1466621 3271693 3906149 8713717 10242713 30347773 42532009 113278321 394521049 880085417 11441110421