126261376375 has 16 divisors (see below), whose sum is σ = 162657241344. Its totient is φ = 97750740000.

The previous prime is 126261376349. The next prime is 126261376387. The reversal of 126261376375 is 573673162621.

It is not a de Polignac number, because 126261376375 - 2¹⁹ = 126260852087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16287916 + ... + 16295665.

It is an arithmetic number, because the mean of its divisors is an integer number (10166077584).

Almost surely, 2^126261376375 is an apocalyptic number.

126261376375 is a deficient number, since it is larger than the sum of its proper divisors (36395864969).

126261376375 is an equidigital number, since it uses as much as digits as its factorization.

126261376375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32583627 (or 32583617 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 49.

The spelling of 126261376375 in words is "one hundred twenty-six billion, two hundred sixty-one million, three hundred seventy-six thousand, three hundred seventy-five".