27115149938 has 6 divisors (see below), whose sum is σ = 40673074221. Its totient is φ = 13557458532.

The previous prime is 27115149913. The next prime is 27115149947. The reversal of 27115149938 is 83994151172.

It can be written as a sum of positive squares in 2 ways, for example, as 26649583009 + 465566929 = 163247^2 + 21577^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=116437.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 174656 + ... + 291092.

Almost surely, 2^27115149938 is an apocalyptic number.

27115149938 is a deficient number, since it is larger than the sum of its proper divisors (13557924283).

27115149938 is an frugal number, since it uses more digits than its factorization.

27115149938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232876 (or 116439 counting only the distinct ones).

The product of its digits is 544320, while the sum is 50.

Multiplying 27115149938 by its sum of digits (50), we get a square (1355757496900 = 1164370²).

The spelling of 27115149938 in words is "twenty-seven billion, one hundred fifteen million, one hundred forty-nine thousand, nine hundred thirty-eight".