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11260241531 = 7111237118219
BaseRepresentation
bin10100111110010100…
…11010011001111011
31002001202010112111122
422133022122121323
5141030110212111
65101202015455
7546016321340
oct123712323173
932052115448
1011260241531
114859127140
12222304758b
1310a5b14816
1478b6947c7
1545d847cdb
hex29f29a67b

11260241531 has 16 divisors (see below), whose sum is σ = 14050210560. Its totient is φ = 8767046880.

The previous prime is 11260241497. The next prime is 11260241543. The reversal of 11260241531 is 13514206211.

It is a cyclic number.

It is not a de Polignac number, because 11260241531 - 26 = 11260241467 is a prime.

It is a super-2 number, since 2×112602415312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11260241531.

It is not an unprimeable number, because it can be changed into a prime (11260241731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36140 + ... + 154358.

It is an arithmetic number, because the mean of its divisors is an integer number (878138160).

Almost surely, 211260241531 is an apocalyptic number.

11260241531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11260241531 is a deficient number, since it is larger than the sum of its proper divisors (2789969029).

11260241531 is a wasteful number, since it uses less digits than its factorization.

11260241531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119474.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 11260241531 its reverse (13514206211), we get a palindrome (24774447742).

The spelling of 11260241531 in words is "eleven billion, two hundred sixty million, two hundred forty-one thousand, five hundred thirty-one".

Divisors: 1 7 11 77 1237 8659 13607 95249 118219 827533 1300409 9102863 146236903 1023658321 1608605933 11260241531