27125514729 has 6 divisors (see below), whose sum is σ = 39181299066. Its totient is φ = 18083676480.

The previous prime is 27125514659. The next prime is 27125514737. The reversal of 27125514729 is 92741552172.

27125514729 is a `hidden beast` number, since 2 + 7 + 125 + 51 + 472 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13660233129 + 13465281600 = 116877^2 + 116040^2 .

It is not a de Polignac number, because 27125514729 - 2⁷ = 27125514601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27125514799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1506973032 + ... + 1506973049.

It is an arithmetic number, because the mean of its divisors is an integer number (6530216511).

Almost surely, 2^27125514729 is an apocalyptic number.

It is an amenable number.

27125514729 is a deficient number, since it is larger than the sum of its proper divisors (12055784337).

27125514729 is a wasteful number, since it uses less digits than its factorization.

27125514729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013946087 (or 3013946084 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The spelling of 27125514729 in words is "twenty-seven billion, one hundred twenty-five million, five hundred fourteen thousand, seven hundred twenty-nine".