126387631375 has 32 divisors (see below), whose sum is σ = 158423428800. Its totient is φ = 100667776000.

The previous prime is 126387631351. The next prime is 126387631397. The reversal of 126387631375 is 573136783621.

It is not a de Polignac number, because 126387631375 - 2¹⁵ = 126387598607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29799255 + ... + 29803495.

It is an arithmetic number, because the mean of its divisors is an integer number (4950732150).

Almost surely, 2^126387631375 is an apocalyptic number.

126387631375 is a deficient number, since it is larger than the sum of its proper divisors (32035797425).

126387631375 is an equidigital number, since it uses as much as digits as its factorization.

126387631375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244 (or 5234 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 52.

The spelling of 126387631375 in words is "one hundred twenty-six billion, three hundred eighty-seven million, six hundred thirty-one thousand, three hundred seventy-five".