25255632012164 has 12 divisors (see below), whose sum is σ = 45623077183488. Its totient is φ = 12220467102600.

The previous prime is 25255632012119. The next prime is 25255632012283. The reversal of 25255632012164 is 46121023655252.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101837225732 + ... + 101837225979.

It is an arithmetic number, because the mean of its divisors is an integer number (3801923098624).

Almost surely, 2^{25255632012164} is an apocalyptic number.

It is an amenable number.

25255632012164 is a deficient number, since it is larger than the sum of its proper divisors (20367445171324).

25255632012164 is a wasteful number, since it uses less digits than its factorization.

25255632012164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203674451746 (or 203674451744 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 25255632012164 in words is "twenty-five trillion, two hundred fifty-five billion, six hundred thirty-two million, twelve thousand, one hundred sixty-four".