125456626645 has 16 divisors (see below), whose sum is σ = 173828567808. Its totient is φ = 85140518400.

The previous prime is 125456626627. The next prime is 125456626679. The reversal of 125456626645 is 546626654521.

It is not a de Polignac number, because 125456626645 - 2⁹ = 125456626133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125456626592 and 125456626601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18473281 + ... + 18480070.

It is an arithmetic number, because the mean of its divisors is an integer number (10864285488).

Almost surely, 2^125456626645 is an apocalyptic number.

It is an amenable number.

125456626645 is a deficient number, since it is larger than the sum of its proper divisors (48371941163).

125456626645 is an equidigital number, since it uses as much as digits as its factorization.

125456626645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36953460.

The product of its digits is 10368000, while the sum is 52.

The spelling of 125456626645 in words is "one hundred twenty-five billion, four hundred fifty-six million, six hundred twenty-six thousand, six hundred forty-five".