23261511625 has 32 divisors (see below), whose sum is σ = 31693648896. Its totient is φ = 16904560000.

The previous prime is 23261511599. The next prime is 23261511661. The reversal of 23261511625 is 52611516232.

It is not a de Polignac number, because 23261511625 - 2¹⁵ = 23261478857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2030664 + ... + 2042086.

It is an arithmetic number, because the mean of its divisors is an integer number (990426528).

Almost surely, 2^23261511625 is an apocalyptic number.

23261511625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23261511625 is a deficient number, since it is larger than the sum of its proper divisors (8432137271).

23261511625 is a wasteful number, since it uses less digits than its factorization.

23261511625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12930 (or 12920 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The spelling of 23261511625 in words is "twenty-three billion, two hundred sixty-one million, five hundred eleven thousand, six hundred twenty-five".