125453506321400 has 96 divisors (see below), whose sum is σ = 301746299166000. Its totient is φ = 48449566341120.

The previous prime is 125453506321397. The next prime is 125453506321417. The reversal of 125453506321400 is 4123605354521.

It is a congruent number.

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, 205810271 + ... + 206418929.

Almost surely, 2^{125453506321400} is an apocalyptic number.

125453506321400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125453506321400 is an abundant number, since it is smaller than the sum of its proper divisors (176292792844600).

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

125453506321400 is a wasteful number, since it uses less digits than its factorization.

125453506321400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644241 (or 644232 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 125453506321400 in words is "one hundred twenty-five trillion, four hundred fifty-three billion, five hundred six million, three hundred twenty-one thousand, four hundred".