27507072126 has 16 divisors (see below), whose sum is σ = 55321488000. Its totient is φ = 9117800088.

The previous prime is 27507072067. The next prime is 27507072137. The reversal of 27507072126 is 62127070572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12804826 + ... + 12806973.

It is an arithmetic number, because the mean of its divisors is an integer number (3457593000).

Almost surely, 2^27507072126 is an apocalyptic number.

27507072126 is an abundant number, since it is smaller than the sum of its proper divisors (27814415874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27507072126 is a wasteful number, since it uses less digits than its factorization.

27507072126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25611983.

The product of its (nonzero) digits is 82320, while the sum is 39.

The spelling of 27507072126 in words is "twenty-seven billion, five hundred seven million, seventy-two thousand, one hundred twenty-six".