125541421537800 has 96 divisors (see below), whose sum is σ = 394104715862400. Its totient is φ = 33053943886080.

The previous prime is 125541421537799. The next prime is 125541421537907. The reversal of 125541421537800 is 8735124145521.

125541421537800 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 125541421537800.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1324229199 + ... + 1324323998.

It is an arithmetic number, because the mean of its divisors is an integer number (4105257456900).

Almost surely, 2^{125541421537800} is an apocalyptic number.

125541421537800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125541421537800 is an abundant number, since it is smaller than the sum of its proper divisors (268563294324600).

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

125541421537800 is a wasteful number, since it uses less digits than its factorization.

125541421537800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648553295 (or 2648553286 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 125541421537800 in words is "one hundred twenty-five trillion, five hundred forty-one billion, four hundred twenty-one million, five hundred thirty-seven thousand, eight hundred".