23625540631506 has 32 divisors (see below), whose sum is σ = 51606641952000. Its totient is φ = 7150920313680.

The previous prime is 23625540631463. The next prime is 23625540631531. The reversal of 23625540631506 is 60513604552632.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208303456 + ... + 208416843.

It is an arithmetic number, because the mean of its divisors is an integer number (1612707561000).

Almost surely, 2^{23625540631506} is an apocalyptic number.

23625540631506 is an abundant number, since it is smaller than the sum of its proper divisors (27981101320494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23625540631506 is a wasteful number, since it uses less digits than its factorization.

23625540631506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416721174.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 23625540631506 in words is "twenty-three trillion, six hundred twenty-five billion, five hundred forty million, six hundred thirty-one thousand, five hundred six".