27138588045 has 16 divisors (see below), whose sum is σ = 43426567680. Its totient is φ = 14472304704.

The previous prime is 27138588031. The next prime is 27138588067. The reversal of 27138588045 is 54088583172.

It is not a de Polignac number, because 27138588045 - 2⁶ = 27138587981 is a prime.

It is a super-2 number, since 2×27138588045² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 45747 + ... + 237423.

It is an arithmetic number, because the mean of its divisors is an integer number (2714160480).

Almost surely, 2^27138588045 is an apocalyptic number.

It is an amenable number.

27138588045 is a deficient number, since it is larger than the sum of its proper divisors (16287979635).

27138588045 is a wasteful number, since it uses less digits than its factorization.

27138588045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201124.

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 27138588045 in words is "twenty-seven billion, one hundred thirty-eight million, five hundred eighty-eight thousand, forty-five".