12652555625 has 10 divisors (see below), whose sum is σ = 15810634290. Its totient is φ = 10122044000.

The previous prime is 12652555621. The next prime is 12652555627. The reversal of 12652555625 is 52655525621.

It can be written as a sum of positive squares in 5 ways, for example, as 9250400041 + 3402155584 = 96179^2 + 58328^2 .

It is not a de Polignac number, because 12652555625 - 2² = 12652555621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12652555621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10121420 + ... + 10122669.

It is an arithmetic number, because the mean of its divisors is an integer number (1581063429).

Almost surely, 2^12652555625 is an apocalyptic number.

It is an amenable number.

12652555625 is a deficient number, since it is larger than the sum of its proper divisors (3158078665).

12652555625 is an frugal number, since it uses more digits than its factorization.

12652555625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20244109 (or 20244094 counting only the distinct ones).

The product of its digits is 900000, while the sum is 44.

The spelling of 12652555625 in words is "twelve billion, six hundred fifty-two million, five hundred fifty-five thousand, six hundred twenty-five".