125550047125 has 8 divisors (see below), whose sum is σ = 156686458968. Its totient is φ = 100440037600.

The previous prime is 125550047099. The next prime is 125550047179. The reversal of 125550047125 is 521740055521.

It can be written as a sum of positive squares in 4 ways, for example, as 8910038449 + 116640008676 = 94393^2 + 341526^2 .

It is not a de Polignac number, because 125550047125 - 2⁹ = 125550046613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502200064 + ... + 502200313.

It is an arithmetic number, because the mean of its divisors is an integer number (19585807371).

Almost surely, 2^125550047125 is an apocalyptic number.

It is an amenable number.

125550047125 is a deficient number, since it is larger than the sum of its proper divisors (31136411843).

125550047125 is an equidigital number, since it uses as much as digits as its factorization.

125550047125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004400392 (or 1004400382 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 37.

The spelling of 125550047125 in words is "one hundred twenty-five billion, five hundred fifty million, forty-seven thousand, one hundred twenty-five".