111407983 has 2 divisors, whose sum is σ = 111407984. Its totient is φ = 111407982.

The previous prime is 111407977. The next prime is 111408007. The reversal of 111407983 is 389704111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111407983 - 2¹³ = 111399791 is a prime.

It is a super-2 number, since 2×111407983² = 24823477352256578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111407903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55703991 + 55703992.

It is an arithmetic number, because the mean of its divisors is an integer number (55703992).

Almost surely, 2^111407983 is an apocalyptic number.

111407983 is a deficient number, since it is larger than the sum of its proper divisors (1).

111407983 is an equidigital number, since it uses as much as digits as its factorization.

111407983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 111407983 is about 10554.9980104214. The cubic root of 111407983 is about 481.1776393594.

The spelling of 111407983 in words is "one hundred eleven million, four hundred seven thousand, nine hundred eighty-three".