111790065 has 16 divisors (see below), whose sum is σ = 179042688. Its totient is φ = 59561856.

The previous prime is 111790057. The next prime is 111790093. The reversal of 111790065 is 560097111.

It is not a de Polignac number, because 111790065 - 2³ = 111790057 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14772 + ... + 21018.

It is an arithmetic number, because the mean of its divisors is an integer number (11190168).

Almost surely, 2^111790065 is an apocalyptic number.

111790065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111790065 is a deficient number, since it is larger than the sum of its proper divisors (67252623).

111790065 is a wasteful number, since it uses less digits than its factorization.

111790065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7448.

The product of its (nonzero) digits is 1890, while the sum is 30.

The square root of 111790065 is about 10573.0820955859. The cubic root of 111790065 is about 481.7270899296.

The spelling of 111790065 in words is "one hundred eleven million, seven hundred ninety thousand, sixty-five".