111152159 has 2 divisors, whose sum is σ = 111152160. Its totient is φ = 111152158.

The previous prime is 111152101. The next prime is 111152179. The reversal of 111152159 is 951251111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111152159 - 2⁸ = 111151903 is a prime.

It is a super-2 number, since 2×111152159² = 24709604900722562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111152179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55576079 + 55576080.

It is an arithmetic number, because the mean of its divisors is an integer number (55576080).

Almost surely, 2^111152159 is an apocalyptic number.

111152159 is a deficient number, since it is larger than the sum of its proper divisors (1).

111152159 is an equidigital number, since it uses as much as digits as its factorization.

111152159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450, while the sum is 26.

The square root of 111152159 is about 10542.8724264310. The cubic root of 111152159 is about 480.8090507805.

The spelling of 111152159 in words is "one hundred eleven million, one hundred fifty-two thousand, one hundred fifty-nine".