27056013531 has 16 divisors (see below), whose sum is σ = 36918820224. Its totient is φ = 17615392704.

The previous prime is 27056013527. The next prime is 27056013577. The reversal of 27056013531 is 13531065072.

It is not a de Polignac number, because 27056013531 - 2² = 27056013527 is a prime.

It is a super-2 number, since 2×27056013531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27056013492 and 27056013501.

It is not an unprimeable number, because it can be changed into a prime (27056013521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1537575 + ... + 1555071.

It is an arithmetic number, because the mean of its divisors is an integer number (2307426264).

Almost surely, 2^27056013531 is an apocalyptic number.

27056013531 is a deficient number, since it is larger than the sum of its proper divisors (9862806693).

27056013531 is a wasteful number, since it uses less digits than its factorization.

27056013531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29530.

The product of its (nonzero) digits is 18900, while the sum is 33.

The spelling of 27056013531 in words is "twenty-seven billion, fifty-six million, thirteen thousand, five hundred thirty-one".