111384421264 has 10 divisors (see below), whose sum is σ = 215807316230. Its totient is φ = 55692210624.

The previous prime is 111384421261. The next prime is 111384421271. The reversal of 111384421264 is 462124483111.

It can be written as a sum of positive squares in only one way, i.e., 108794425600 + 2589995664 = 329840^2 + 50892^2 .

It is not an unprimeable number, because it can be changed into a prime (111384421261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3480763149 + ... + 3480763180.

It is an arithmetic number, because the mean of its divisors is an integer number (21580731623).

Almost surely, 2^111384421264 is an apocalyptic number.

It is an amenable number.

111384421264 is a deficient number, since it is larger than the sum of its proper divisors (104422894966).

111384421264 is an equidigital number, since it uses as much as digits as its factorization.

111384421264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6961526337 (or 6961526331 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The spelling of 111384421264 in words is "one hundred eleven billion, three hundred eighty-four million, four hundred twenty-one thousand, two hundred sixty-four".