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11115142445 = 511443456193
BaseRepresentation
bin10100101101000001…
…11001110100101101
31001200122002201222102
422112200321310231
5140230434024240
65034540024445
7542305103051
oct122640716455
931618081872
1011115142445
114794232040
1221a2532125
131081a40584
147762c3c61
15450c35815
hex296839d2d

11115142445 has 16 divisors (see below), whose sum is σ = 14583609792. Its totient is φ = 8065474560.

The previous prime is 11115142439. The next prime is 11115142463. The reversal of 11115142445 is 54424151111.

11115142445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-11115142445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203732 + ... + 252461.

It is an arithmetic number, because the mean of its divisors is an integer number (911475612).

Almost surely, 211115142445 is an apocalyptic number.

It is an amenable number.

11115142445 is a deficient number, since it is larger than the sum of its proper divisors (3468467347).

11115142445 is a wasteful number, since it uses less digits than its factorization.

11115142445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456652.

The product of its digits is 3200, while the sum is 29.

Adding to 11115142445 its reverse (54424151111), we get a palindrome (65539293556).

The spelling of 11115142445 in words is "eleven billion, one hundred fifteen million, one hundred forty-two thousand, four hundred forty-five".

Divisors: 1 5 11 55 443 2215 4873 24365 456193 2280965 5018123 25090615 202093499 1010467495 2223028489 11115142445