113111057 has 2 divisors, whose sum is σ = 113111058. Its totient is φ = 113111056.

The previous prime is 113111051. The next prime is 113111077. The reversal of 113111057 is 750111311.

It is an a-pointer prime, because the next prime (113111077) can be obtained adding 113111057 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109014481 + 4096576 = 10441^2 + 2024^2 .

It is a cyclic number.

It is not a de Polignac number, because 113111057 - 2⁶ = 113110993 is a prime.

It is a super-2 number, since 2×113111057² = 25588222431314498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113111051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56555528 + 56555529.

It is an arithmetic number, because the mean of its divisors is an integer number (56555529).

Almost surely, 2^113111057 is an apocalyptic number.

It is an amenable number.

113111057 is a deficient number, since it is larger than the sum of its proper divisors (1).

113111057 is an equidigital number, since it uses as much as digits as its factorization.

113111057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105, while the sum is 20.

The square root of 113111057 is about 10635.3682117734. The cubic root of 113111057 is about 483.6171428160.

Adding to 113111057 its reverse (750111311), we get a palindrome (863222368).

The spelling of 113111057 in words is "one hundred thirteen million, one hundred eleven thousand, fifty-seven".