12515929254803 has 12 divisors (see below), whose sum is σ = 14020088070960. Its totient is φ = 11154780445536.

The previous prime is 12515929254799. The next prime is 12515929254809. The reversal of 12515929254803 is 30845292951521.

It is not a de Polignac number, because 12515929254803 - 2² = 12515929254799 is a prime.

It is a super-2 number, since 2×12515929254803² (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 (12515929254809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1276870151 + ... + 1276879952.

It is an arithmetic number, because the mean of its divisors is an integer number (1168340672580).

Almost surely, 2^{12515929254803} is an apocalyptic number.

12515929254803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12515929254803 is a deficient number, since it is larger than the sum of its proper divisors (1504158816157).

12515929254803 is a wasteful number, since it uses less digits than its factorization.

12515929254803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553750158 (or 2553750145 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 56.

The spelling of 12515929254803 in words is "twelve trillion, five hundred fifteen billion, nine hundred twenty-nine million, two hundred fifty-four thousand, eight hundred three".