111799049 has 2 divisors, whose sum is σ = 111799050. Its totient is φ = 111799048.

The previous prime is 111799033. The next prime is 111799063. The reversal of 111799049 is 940997111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78943225 + 32855824 = 8885^2 + 5732^2 .

It is a cyclic number.

It is not a de Polignac number, because 111799049 - 2⁴ = 111799033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111798997 and 111799015.

It is not a weakly prime, because it can be changed into another prime (111799019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55899524 + 55899525.

It is an arithmetic number, because the mean of its divisors is an integer number (55899525).

Almost surely, 2^111799049 is an apocalyptic number.

It is an amenable number.

111799049 is a deficient number, since it is larger than the sum of its proper divisors (1).

111799049 is an equidigital number, since it uses as much as digits as its factorization.

111799049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 111799049 is about 10573.5069395163. The cubic root of 111799049 is about 481.7399942374.

The spelling of 111799049 in words is "one hundred eleven million, seven hundred ninety-nine thousand, forty-nine".