125331474645 has 96 divisors (see below), whose sum is σ = 255705375744. Its totient is φ = 56198707200.

The previous prime is 125331474613. The next prime is 125331474689. The reversal of 125331474645 is 546474133521.

125331474645 is a `hidden beast` number, since 1 + 2 + 533 + 1 + 4 + 74 + 6 + 45 = 666.

It is not a de Polignac number, because 125331474645 - 2⁵ = 125331474613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 125331474645.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 105030 + ... + 511560.

It is an arithmetic number, because the mean of its divisors is an integer number (2663597664).

Almost surely, 2^125331474645 is an apocalyptic number.

125331474645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125331474645 is an abundant number, since it is smaller than the sum of its proper divisors (130373901099).

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

125331474645 is a wasteful number, since it uses less digits than its factorization.

125331474645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406603 (or 406600 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 125331474645 in words is "one hundred twenty-five billion, three hundred thirty-one million, four hundred seventy-four thousand, six hundred forty-five".