12502053881 has 4 divisors (see below), whose sum is σ = 12502305792. Its totient is φ = 12501801972.

The previous prime is 12502053859. The next prime is 12502053887. The reversal of 12502053881 is 18835020521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12502053881 - 2¹⁴ = 12502037497 is a prime.

It is a super-2 number, since 2×12502053881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12502053887) 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, 24005 + ... + 159938.

It is an arithmetic number, because the mean of its divisors is an integer number (3125576448).

Almost surely, 2^12502053881 is an apocalyptic number.

It is an amenable number.

12502053881 is a deficient number, since it is larger than the sum of its proper divisors (251911).

12502053881 is an equidigital number, since it uses as much as digits as its factorization.

12502053881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251910.

The product of its (nonzero) digits is 19200, while the sum is 35.

The spelling of 12502053881 in words is "twelve billion, five hundred two million, fifty-three thousand, eight hundred eighty-one".