426555520520125 has 16 divisors (see below), whose sum is σ = 546728892036912. Its totient is φ = 332021594347200.

The previous prime is 426555520520117. The next prime is 426555520520141. The reversal of 426555520520125 is 521025025555624.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 130020335801316 + 296535184718809 = 11402646^2 + 17220197^2 .

It is not a de Polignac number, because 426555520520125 - 2³ = 426555520520117 is a prime.

It is a super-2 number, since 2×426555520520125² (a number of 30 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 46114105702 + ... + 46114114951.

It is an arithmetic number, because the mean of its divisors is an integer number (34170555752307).

Almost surely, 2^{426555520520125} is an apocalyptic number.

It is an amenable number.

426555520520125 is a deficient number, since it is larger than the sum of its proper divisors (120173371516787).

426555520520125 is an equidigital number, since it uses as much as digits as its factorization.

426555520520125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92228220705 (or 92228220695 counting only the distinct ones).

The product of its (nonzero) digits is 6000000, while the sum is 49.

The spelling of 426555520520125 in words is "four hundred twenty-six trillion, five hundred fifty-five billion, five hundred twenty million, five hundred twenty thousand, one hundred twenty-five".