76331221125081 has 32 divisors (see below), whose sum is σ = 111106914546432. Its totient is φ = 46328888770560.

The previous prime is 76331221125053. The next prime is 76331221125161. The reversal of 76331221125081 is 18052112213367.

It is a happy number.

It is not a de Polignac number, because 76331221125081 - 2⁶ = 76331221125017 is a prime.

It is a super-2 number, since 2×76331221125081² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76331221125031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234888796 + ... + 235213538.

It is an arithmetic number, because the mean of its divisors is an integer number (3472091079576).

Almost surely, 2^{76331221125081} is an apocalyptic number.

It is an amenable number.

76331221125081 is a deficient number, since it is larger than the sum of its proper divisors (34775693421351).

76331221125081 is a wasteful number, since it uses less digits than its factorization.

76331221125081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407393.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 76331221125081 in words is "seventy-six trillion, three hundred thirty-one billion, two hundred twenty-one million, one hundred twenty-five thousand, eighty-one".