12625055144 has 16 divisors (see below), whose sum is σ = 25492900020. Its totient is φ = 5826948480.

The previous prime is 12625055123. The next prime is 12625055167. The reversal of 12625055144 is 44155052621.

It can be written as a sum of positive squares in 2 ways, for example, as 11191524100 + 1433531044 = 105790^2 + 37862^2 .

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, 60697277 + ... + 60697484.

Almost surely, 2^12625055144 is an apocalyptic number.

It is an amenable number.

12625055144 is an abundant number, since it is smaller than the sum of its proper divisors (12867844876).

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

12625055144 is a wasteful number, since it uses less digits than its factorization.

12625055144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121394780 (or 121394776 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 12625055144 in words is "twelve billion, six hundred twenty-five million, fifty-five thousand, one hundred forty-four".