125408661700 has 288 divisors, whose sum is σ = 345565882368. Its totient is φ = 38513664000.

The previous prime is 125408661671. The next prime is 125408661713. The reversal of 125408661700 is 7166804521.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22500114 + ... + 22505686.

It is an arithmetic number, because the mean of its divisors is an integer number (1199881536).

Almost surely, 2^125408661700 is an apocalyptic number.

125408661700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125408661700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172782941184).

125408661700 is an abundant number, since it is smaller than the sum of its proper divisors (220157220668).

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

125408661700 is a wasteful number, since it uses less digits than its factorization.

125408661700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5703 (or 5696 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 125408661700 in words is "one hundred twenty-five billion, four hundred eight million, six hundred sixty-one thousand, seven hundred".