126377662625 has 8 divisors (see below), whose sum is σ = 157719323112. Its totient is φ = 101102130000.

The previous prime is 126377662591. The next prime is 126377662693. The reversal of 126377662625 is 526266773621.

It can be written as a sum of positive squares in 4 ways, for example, as 1208883361 + 125168779264 = 34769^2 + 353792^2 .

It is not a de Polignac number, because 126377662625 - 2¹⁰ = 126377661601 is a prime.

It is a super-2 number, since 2×126377662625² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505510526 + ... + 505510775.

It is an arithmetic number, because the mean of its divisors is an integer number (19714915389).

Almost surely, 2^126377662625 is an apocalyptic number.

It is an amenable number.

126377662625 is a deficient number, since it is larger than the sum of its proper divisors (31341660487).

126377662625 is an equidigital number, since it uses as much as digits as its factorization.

126377662625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011021316 (or 1011021306 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 53.

The spelling of 126377662625 in words is "one hundred twenty-six billion, three hundred seventy-seven million, six hundred sixty-two thousand, six hundred twenty-five".