125900564454 has 24 divisors (see below), whose sum is σ = 311753778960. Its totient is φ = 35971589808.

The previous prime is 125900564381. The next prime is 125900564521. The reversal of 125900564454 is 454465009521.

125900564454 is a `hidden beast` number, since 1 + 2 + 590 + 0 + 5 + 6 + 4 + 4 + 54 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499605289 + ... + 499605540.

It is an arithmetic number, because the mean of its divisors is an integer number (12989740790).

Almost surely, 2^125900564454 is an apocalyptic number.

125900564454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

125900564454 is an abundant number, since it is smaller than the sum of its proper divisors (185853214506).

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

125900564454 is a wasteful number, since it uses less digits than its factorization.

125900564454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999210844 (or 999210841 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 125900564454 in words is "one hundred twenty-five billion, nine hundred million, five hundred sixty-four thousand, four hundred fifty-four".