27156124988 has 12 divisors (see below), whose sum is σ = 48807630312. Its totient is φ = 13211087760.

The previous prime is 27156124981. The next prime is 27156125011. The reversal of 27156124988 is 88942165172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27156124981) 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, 91743518 + ... + 91743813.

It is an arithmetic number, because the mean of its divisors is an integer number (4067302526).

Almost surely, 2^27156124988 is an apocalyptic number.

It is an amenable number.

27156124988 is a deficient number, since it is larger than the sum of its proper divisors (21651505324).

27156124988 is a wasteful number, since it uses less digits than its factorization.

27156124988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183487372 (or 183487370 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The spelling of 27156124988 in words is "twenty-seven billion, one hundred fifty-six million, one hundred twenty-four thousand, nine hundred eighty-eight".