111897393 has 16 divisors (see below), whose sum is σ = 151670400. Its totient is φ = 73367424.

The previous prime is 111897391. The next prime is 111897407. The reversal of 111897393 is 393798111.

It is not a de Polignac number, because 111897393 - 2¹ = 111897391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111897391) 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, 130755 + ... + 131607.

It is an arithmetic number, because the mean of its divisors is an integer number (9479400).

Almost surely, 2^111897393 is an apocalyptic number.

It is an amenable number.

111897393 is a deficient number, since it is larger than the sum of its proper divisors (39773007).

111897393 is an equidigital number, since it uses as much as digits as its factorization.

111897393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528.

The product of its digits is 40824, while the sum is 42.

The square root of 111897393 is about 10578.1564083729. The cubic root of 111897393 is about 481.8812069869.

The spelling of 111897393 in words is "one hundred eleven million, eight hundred ninety-seven thousand, three hundred ninety-three".