126408522485 has 12 divisors (see below), whose sum is σ = 176455978668. Its totient is φ = 86680129536.

The previous prime is 126408522467. The next prime is 126408522511. The reversal of 126408522485 is 584225804621.

It can be written as a sum of positive squares in 2 ways, for example, as 41782221649 + 84626300836 = 204407^2 + 290906^2 .

It is not a de Polignac number, because 126408522485 - 2²² = 126404328181 is a prime.

It is a super-2 number, since 2×126408522485² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257976332 + ... + 257976821.

It is an arithmetic number, because the mean of its divisors is an integer number (14704664889).

Almost surely, 2^126408522485 is an apocalyptic number.

It is an amenable number.

126408522485 is a deficient number, since it is larger than the sum of its proper divisors (50047456183).

126408522485 is an equidigital number, since it uses as much as digits as its factorization.

126408522485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515953172 (or 515953165 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 47.

The spelling of 126408522485 in words is "one hundred twenty-six billion, four hundred eight million, five hundred twenty-two thousand, four hundred eighty-five".