23415506525 has 24 divisors (see below), whose sum is σ = 29282363904. Its totient is φ = 18573609600.

The previous prime is 23415506479. The next prime is 23415506567. The reversal of 23415506525 is 52560551432.

It is not a de Polignac number, because 23415506525 - 2²⁶ = 23348397661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1486742 + ... + 1502408.

It is an arithmetic number, because the mean of its divisors is an integer number (1220098496).

Almost surely, 2^23415506525 is an apocalyptic number.

23415506525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23415506525 is a deficient number, since it is larger than the sum of its proper divisors (5866857379).

23415506525 is a wasteful number, since it uses less digits than its factorization.

23415506525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16181 (or 16176 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 23415506525 in words is "twenty-three billion, four hundred fifteen million, five hundred six thousand, five hundred twenty-five".