126631295976 has 16 divisors (see below), whose sum is σ = 316578240000. Its totient is φ = 42210431984.

The previous prime is 126631295953. The next prime is 126631295993. The reversal of 126631295976 is 679592136621.

It is a super-2 number, since 2×126631295976² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2638151976 + ... + 2638152023.

It is an arithmetic number, because the mean of its divisors is an integer number (19786140000).

Almost surely, 2^126631295976 is an apocalyptic number.

It is an amenable number.

126631295976 is an abundant number, since it is smaller than the sum of its proper divisors (189946944024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126631295976 is a wasteful number, since it uses less digits than its factorization.

126631295976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5276304008 (or 5276304004 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 57.

The spelling of 126631295976 in words is "one hundred twenty-six billion, six hundred thirty-one million, two hundred ninety-five thousand, nine hundred seventy-six".