111313112320 has 72 divisors (see below), whose sum is σ = 271000857960. Its totient is φ = 43795292160.

The previous prime is 111313112293. The next prime is 111313112399. The reversal of 111313112320 is 23211313111.

It can be written as a sum of positive squares in 4 ways, for example, as 9209857024 + 102103255296 = 95968^2 + 319536^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634735 + ... + 790894.

It is an arithmetic number, because the mean of its divisors is an integer number (3763900805).

Almost surely, 2^111313112320 is an apocalyptic number.

111313112320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111313112320 is an abundant number, since it is smaller than the sum of its proper divisors (159687745640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111313112320 is an equidigital number, since it uses as much as digits as its factorization.

111313112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425711 (or 1425697 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111313112320 its reverse (23211313111), we get a palindrome (134524425431).

The spelling of 111313112320 in words is "one hundred eleven billion, three hundred thirteen million, one hundred twelve thousand, three hundred twenty".