15115140554131 has 4 divisors (see below), whose sum is σ = 15256403550072. Its totient is φ = 14973877558192.

The previous prime is 15115140554123. The next prime is 15115140554141. The reversal of 15115140554131 is 13145504151151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15115140554131 - 2³ = 15115140554123 is a prime.

It is a super-2 number, since 2×15115140554131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15115140554141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70631497810 + ... + 70631498023.

It is an arithmetic number, because the mean of its divisors is an integer number (3814100887518).

Almost surely, 2^{15115140554131} is an apocalyptic number.

15115140554131 is a deficient number, since it is larger than the sum of its proper divisors (141262995941).

15115140554131 is a wasteful number, since it uses less digits than its factorization.

15115140554131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141262995940.

The product of its (nonzero) digits is 30000, while the sum is 37.

The spelling of 15115140554131 in words is "fifteen trillion, one hundred fifteen billion, one hundred forty million, five hundred fifty-four thousand, one hundred thirty-one".