126437749315 has 16 divisors (see below), whose sum is σ = 159721754400. Its totient is φ = 95819956992.

The previous prime is 126437749289. The next prime is 126437749337. The reversal of 126437749315 is 513947734621.

It is a cyclic number.

It is not a de Polignac number, because 126437749315 - 2¹⁵ = 126437716547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1704949 + ... + 1777561.

It is an arithmetic number, because the mean of its divisors is an integer number (9982609650).

Almost surely, 2^126437749315 is an apocalyptic number.

126437749315 is a deficient number, since it is larger than the sum of its proper divisors (33284005085).

126437749315 is a wasteful number, since it uses less digits than its factorization.

126437749315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90966.

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

The spelling of 126437749315 in words is "one hundred twenty-six billion, four hundred thirty-seven million, seven hundred forty-nine thousand, three hundred fifteen".