111150979 has 2 divisors, whose sum is σ = 111150980. Its totient is φ = 111150978.

The previous prime is 111150971. The next prime is 111150989. The reversal of 111150979 is 979051111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111150979 - 2³ = 111150971 is a prime.

It is equal to p_6365329 and since 111150979 and 6365329 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (111150971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55575489 + 55575490.

It is an arithmetic number, because the mean of its divisors is an integer number (55575490).

Almost surely, 2^111150979 is an apocalyptic number.

111150979 is a deficient number, since it is larger than the sum of its proper divisors (1).

111150979 is an equidigital number, since it uses as much as digits as its factorization.

111150979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 34.

The square root of 111150979 is about 10542.8164643040. The cubic root of 111150979 is about 480.8073493390.

The spelling of 111150979 in words is "one hundred eleven million, one hundred fifty thousand, nine hundred seventy-nine".