12461607525 has 24 divisors (see below), whose sum is σ = 20760483744. Its totient is φ = 6595451200.

The previous prime is 12461607451. The next prime is 12461607551. The reversal of 12461607525 is 52570616421.

It is not a de Polignac number, because 12461607525 - 2⁷ = 12461607397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 624354 + ... + 644003.

It is an arithmetic number, because the mean of its divisors is an integer number (865020156).

Almost surely, 2^12461607525 is an apocalyptic number.

12461607525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12461607525 is a deficient number, since it is larger than the sum of its proper divisors (8298876219).

12461607525 is a wasteful number, since it uses less digits than its factorization.

12461607525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268501 (or 1268496 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 12461607525 in words is "twelve billion, four hundred sixty-one million, six hundred seven thousand, five hundred twenty-five".