113512057 has 2 divisors, whose sum is σ = 113512058. Its totient is φ = 113512056.

The previous prime is 113512037. The next prime is 113512073. The reversal of 113512057 is 750215311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100580841 + 12931216 = 10029^2 + 3596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113512057 is a prime.

It is not a weakly prime, because it can be changed into another prime (113512037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56756028 + 56756029.

It is an arithmetic number, because the mean of its divisors is an integer number (56756029).

Almost surely, 2^113512057 is an apocalyptic number.

It is an amenable number.

113512057 is a deficient number, since it is larger than the sum of its proper divisors (1).

113512057 is an equidigital number, since it uses as much as digits as its factorization.

113512057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 113512057 is about 10654.2037243522. The cubic root of 113512057 is about 484.1879733972.

Adding to 113512057 its reverse (750215311), we get a palindrome (863727368).

The spelling of 113512057 in words is "one hundred thirteen million, five hundred twelve thousand, fifty-seven".