27157021752188 has 24 divisors (see below), whose sum is σ = 49058501958144. Its totient is φ = 13140318625200.

The previous prime is 27157021752181. The next prime is 27157021752193. The reversal of 27157021752188 is 88125712075172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27157021752181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8093231 + ... + 10945977.

It is an arithmetic number, because the mean of its divisors is an integer number (2044104248256).

Almost surely, 2^{27157021752188} is an apocalyptic number.

It is an amenable number.

27157021752188 is a deficient number, since it is larger than the sum of its proper divisors (21901480205956).

27157021752188 is a wasteful number, since it uses less digits than its factorization.

27157021752188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929553 (or 2929551 counting only the distinct ones).

The product of its (nonzero) digits is 4390400, while the sum is 56.

The spelling of 27157021752188 in words is "twenty-seven trillion, one hundred fifty-seven billion, twenty-one million, seven hundred fifty-two thousand, one hundred eighty-eight".