111913580359 has 4 divisors (see below), whose sum is σ = 127901234704. Its totient is φ = 95925926016.

The previous prime is 111913580327. The next prime is 111913580377. The reversal of 111913580359 is 953085319111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111913580359 - 2⁵ = 111913580327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111913580059) 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 in 3 ways as a sum of consecutive naturals, for example, 7993827162 + ... + 7993827175.

It is an arithmetic number, because the mean of its divisors is an integer number (31975308676).

Almost surely, 2^111913580359 is an apocalyptic number.

111913580359 is a deficient number, since it is larger than the sum of its proper divisors (15987654345).

111913580359 is an equidigital number, since it uses as much as digits as its factorization.

111913580359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15987654344.

The product of its (nonzero) digits is 145800, while the sum is 46.

The spelling of 111913580359 in words is "one hundred eleven billion, nine hundred thirteen million, five hundred eighty thousand, three hundred fifty-nine".