3156642462225 has 24 divisors (see below), whose sum is σ = 5964551091520. Its totient is φ = 1443036553920.

The previous prime is 3156642462209. The next prime is 3156642462229. The reversal of 3156642462225 is 5222642466513.

It is not a de Polignac number, because 3156642462225 - 2⁴ = 3156642462209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3156642462229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3006325630 + ... + 3006326679.

Almost surely, 2^{3156642462225} is an apocalyptic number.

3156642462225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3156642462225 is a deficient number, since it is larger than the sum of its proper divisors (2807908629295).

3156642462225 is a wasteful number, since it uses less digits than its factorization.

3156642462225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012652329 (or 6012652324 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 48.

The spelling of 3156642462225 in words is "three trillion, one hundred fifty-six billion, six hundred forty-two million, four hundred sixty-two thousand, two hundred twenty-five".