27251352556 has 48 divisors (see below), whose sum is σ = 48615283584. Its totient is φ = 13364580096.

The previous prime is 27251352503. The next prime is 27251352587. The reversal of 27251352556 is 65525315272.

It is a super-2 number, since 2×27251352556² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20849655 + ... + 20850961.

It is an arithmetic number, because the mean of its divisors is an integer number (1012818408).

Almost surely, 2^27251352556 is an apocalyptic number.

It is an amenable number.

27251352556 is a deficient number, since it is larger than the sum of its proper divisors (21363931028).

27251352556 is a wasteful number, since it uses less digits than its factorization.

27251352556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870 (or 1868 counting only the distinct ones).

The product of its digits is 630000, while the sum is 43.

The spelling of 27251352556 in words is "twenty-seven billion, two hundred fifty-one million, three hundred fifty-two thousand, five hundred fifty-six".