12046645525 has 12 divisors (see below), whose sum is σ = 15724043200. Its totient is φ = 9130088880.

The previous prime is 12046645517. The next prime is 12046645537. The reversal of 12046645525 is 52554664021.

It is a happy number.

It is not a de Polignac number, because 12046645525 - 2³ = 12046645517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12680205 + ... + 12681154.

Almost surely, 2^12046645525 is an apocalyptic number.

It is an amenable number.

12046645525 is a deficient number, since it is larger than the sum of its proper divisors (3677397675).

12046645525 is a wasteful number, since it uses less digits than its factorization.

12046645525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25361388 (or 25361383 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 12046645525 in words is "twelve billion, forty-six million, six hundred forty-five thousand, five hundred twenty-five".