27131904192125 has 32 divisors (see below), whose sum is σ = 35525892959232. Its totient is φ = 20660995080000.

The previous prime is 27131904192053. The next prime is 27131904192137. The reversal of 27131904192125 is 52129140913172.

It is not a de Polignac number, because 27131904192125 - 2¹² = 27131904188029 is a prime.

It is a super-2 number, since 2×27131904192125² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27131904192125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57155279 + ... + 57628028.

It is an arithmetic number, because the mean of its divisors is an integer number (1110184154976).

Almost surely, 2^{27131904192125} is an apocalyptic number.

27131904192125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27131904192125 is a deficient number, since it is larger than the sum of its proper divisors (8393988767107).

27131904192125 is a wasteful number, since it uses less digits than its factorization.

27131904192125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114783414 (or 114783404 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 27131904192125 in words is "twenty-seven trillion, one hundred thirty-one billion, nine hundred four million, one hundred ninety-two thousand, one hundred twenty-five".