125047556700 has 144 divisors (see below), whose sum is σ = 394896974976. Its totient is φ = 30299091200.

The previous prime is 125047556671. The next prime is 125047556701. The reversal of 125047556700 is 7655740521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125047556701) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 7294339 + ... + 7311461.

It is an arithmetic number, because the mean of its divisors is an integer number (2742340104).

Almost surely, 2^125047556700 is an apocalyptic number.

125047556700 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 125047556700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197448487488).

125047556700 is an abundant number, since it is smaller than the sum of its proper divisors (269849418276).

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

125047556700 is a wasteful number, since it uses less digits than its factorization.

125047556700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19364 (or 19357 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 125047556700 in words is "one hundred twenty-five billion, forty-seven million, five hundred fifty-six thousand, seven hundred".