27150521044 has 12 divisors (see below), whose sum is σ = 47788057044. Its totient is φ = 13496790464.

The previous prime is 27150521039. The next prime is 27150521053. The reversal of 27150521044 is 44012505172.

It can be written as a sum of positive squares in 2 ways, for example, as 23912911044 + 3237610000 = 154638^2 + 56900^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27150520997 and 27150521015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19616737 + ... + 19618120.

It is an arithmetic number, because the mean of its divisors is an integer number (3982338087).

Almost surely, 2^27150521044 is an apocalyptic number.

It is an amenable number.

27150521044 is a deficient number, since it is larger than the sum of its proper divisors (20637536000).

27150521044 is a wasteful number, since it uses less digits than its factorization.

27150521044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39235034 (or 39235032 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The spelling of 27150521044 in words is "twenty-seven billion, one hundred fifty million, five hundred twenty-one thousand, forty-four".