111873580959 has 16 divisors (see below), whose sum is σ = 170482786560. Its totient is φ = 63924476160.

The previous prime is 111873580957. The next prime is 111873580961. The reversal of 111873580959 is 959085378111.

It is an interprime number because it is at equal distance from previous prime (111873580957) and next prime (111873580961).

It is not a de Polignac number, because 111873580959 - 2¹ = 111873580957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111873580899 and 111873580908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111873580957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316564 + ... + 569174.

It is an arithmetic number, because the mean of its divisors is an integer number (10655174160).

Almost surely, 2^111873580959 is an apocalyptic number.

111873580959 is a deficient number, since it is larger than the sum of its proper divisors (58609205601).

111873580959 is a wasteful number, since it uses less digits than its factorization.

111873580959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273710.

The product of its (nonzero) digits is 2721600, while the sum is 57.

The spelling of 111873580959 in words is "one hundred eleven billion, eight hundred seventy-three million, five hundred eighty thousand, nine hundred fifty-nine".