27057616131 has 32 divisors (see below), whose sum is σ = 44443356160. Its totient is φ = 14258934144.

The previous prime is 27057616087. The next prime is 27057616147. The reversal of 27057616131 is 13161675072.

It is not a de Polignac number, because 27057616131 - 2⁶ = 27057616067 is a prime.

It is a super-2 number, since 2×27057616131² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 27057616131.

It is not an unprimeable number, because it can be changed into a prime (27057616331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253050 + ... + 343728.

It is an arithmetic number, because the mean of its divisors is an integer number (1388854880).

Almost surely, 2^27057616131 is an apocalyptic number.

27057616131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27057616131 is a deficient number, since it is larger than the sum of its proper divisors (17385740029).

27057616131 is a wasteful number, since it uses less digits than its factorization.

27057616131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91795.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 27057616131 in words is "twenty-seven billion, fifty-seven million, six hundred sixteen thousand, one hundred thirty-one".