125664316249500 has 144 divisors (see below), whose sum is σ = 453061748298432. Its totient is φ = 28723272278400.

The previous prime is 125664316249499. The next prime is 125664316249523. The reversal of 125664316249500 is 5942613466521.

125664316249500 is a `hidden beast` number, since 1 + 2 + 5 + 6 + 6 + 4 + 3 + 1 + 624 + 9 + 5 + 0 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1994640187 + ... + 1994703186.

Almost surely, 2^{125664316249500} is an apocalyptic number.

125664316249500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125664316249500 is an abundant number, since it is smaller than the sum of its proper divisors (327397432048932).

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

125664316249500 is a wasteful number, since it uses less digits than its factorization.

125664316249500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989343405 (or 3989343390 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 125664316249500 in words is "one hundred twenty-five trillion, six hundred sixty-four billion, three hundred sixteen million, two hundred forty-nine thousand, five hundred".