111187080049 has 2 divisors, whose sum is σ = 111187080050. Its totient is φ = 111187080048.

The previous prime is 111187079957. The next prime is 111187080073. The reversal of 111187080049 is 940080781111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74929207824 + 36257872225 = 273732^2 + 190415^2 .

It is a cyclic number.

It is not a de Polignac number, because 111187080049 - 2⁷ = 111187079921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111187079993 and 111187080020.

It is not a weakly prime, because it can be changed into another prime (111187050049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55593540024 + 55593540025.

It is an arithmetic number, because the mean of its divisors is an integer number (55593540025).

Almost surely, 2^111187080049 is an apocalyptic number.

It is an amenable number.

111187080049 is a deficient number, since it is larger than the sum of its proper divisors (1).

111187080049 is an equidigital number, since it uses as much as digits as its factorization.

111187080049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 40.

The spelling of 111187080049 in words is "one hundred eleven billion, one hundred eighty-seven million, eighty thousand, forty-nine".