126631295975 has 6 divisors (see below), whose sum is σ = 157022807040. Its totient is φ = 101305036760.

The previous prime is 126631295953. The next prime is 126631295993. The reversal of 126631295975 is 579592136621.

It is not a de Polignac number, because 126631295975 - 2⁸ = 126631295719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126631295975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2532625895 + ... + 2532625944.

It is an arithmetic number, because the mean of its divisors is an integer number (26170467840).

Almost surely, 2^126631295975 is an apocalyptic number.

126631295975 is a deficient number, since it is larger than the sum of its proper divisors (30391511065).

126631295975 is an equidigital number, since it uses as much as digits as its factorization.

126631295975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065251849 (or 5065251844 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 56.

The spelling of 126631295975 in words is "one hundred twenty-six billion, six hundred thirty-one million, two hundred ninety-five thousand, nine hundred seventy-five".