15131055231135 has 64 divisors (see below), whose sum is σ = 26990406576000. Its totient is φ = 8042693769216.

The previous prime is 15131055231109. The next prime is 15131055231137. The reversal of 15131055231135 is 53113255013151.

15131055231135 is a `hidden beast` number, since 1 + 5 + 1 + 3 + 10 + 5 + 523 + 113 + 5 = 666.

15131055231135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15131055231135 - 2⁷ = 15131055231007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15131055231135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15131055231137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 94008247 + ... + 94169063.

It is an arithmetic number, because the mean of its divisors is an integer number (421725102750).

Almost surely, 2^{15131055231135} is an apocalyptic number.

15131055231135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15131055231135 is a deficient number, since it is larger than the sum of its proper divisors (11859351344865).

15131055231135 is a wasteful number, since it uses less digits than its factorization.

15131055231135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163177 (or 163171 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 36.

The spelling of 15131055231135 in words is "fifteen trillion, one hundred thirty-one billion, fifty-five million, two hundred thirty-one thousand, one hundred thirty-five".