111598057 has 2 divisors, whose sum is σ = 111598058. Its totient is φ = 111598056.

The previous prime is 111598051. The next prime is 111598063. The reversal of 111598057 is 750895111.

It is a balanced prime because it is at equal distance from previous prime (111598051) and next prime (111598063).

It can be written as a sum of positive squares in only one way, i.e., 111429136 + 168921 = 10556^2 + 411^2 .

It is a cyclic number.

It is not a de Polignac number, because 111598057 - 2⁷ = 111597929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111598051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55799028 + 55799029.

It is an arithmetic number, because the mean of its divisors is an integer number (55799029).

Almost surely, 2^111598057 is an apocalyptic number.

It is an amenable number.

111598057 is a deficient number, since it is larger than the sum of its proper divisors (1).

111598057 is an equidigital number, since it uses as much as digits as its factorization.

111598057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 37.

The square root of 111598057 is about 10563.9981541081. The cubic root of 111598057 is about 481.4511308161.

The spelling of 111598057 in words is "one hundred eleven million, five hundred ninety-eight thousand, fifty-seven".