111560993 has 2 divisors, whose sum is σ = 111560994. Its totient is φ = 111560992.

The previous prime is 111560947. The next prime is 111561001. The reversal of 111560993 is 399065111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71707024 + 39853969 = 8468^2 + 6313^2 .

It is a cyclic number.

It is not a de Polignac number, because 111560993 - 2⁶ = 111560929 is a prime.

It is not a weakly prime, because it can be changed into another prime (111560923) 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, 55780496 + 55780497.

It is an arithmetic number, because the mean of its divisors is an integer number (55780497).

Almost surely, 2^111560993 is an apocalyptic number.

It is an amenable number.

111560993 is a deficient number, since it is larger than the sum of its proper divisors (1).

111560993 is an equidigital number, since it uses as much as digits as its factorization.

111560993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 111560993 is about 10562.2437483709. The cubic root of 111560993 is about 481.3978249879.

The spelling of 111560993 in words is "one hundred eleven million, five hundred sixty thousand, nine hundred ninety-three".