118112557 has 2 divisors, whose sum is σ = 118112558. Its totient is φ = 118112556.

The previous prime is 118112543. The next prime is 118112581. The reversal of 118112557 is 755211811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101022601 + 17089956 = 10051^2 + 4134^2 .

It is an emirp because it is prime and its reverse (755211811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118112557 is a prime.

It is a super-2 number, since 2×118112557² = 27901152242156498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118112537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59056278 + 59056279.

It is an arithmetic number, because the mean of its divisors is an integer number (59056279).

Almost surely, 2^118112557 is an apocalyptic number.

It is an amenable number.

118112557 is a deficient number, since it is larger than the sum of its proper divisors (1).

118112557 is an equidigital number, since it uses as much as digits as its factorization.

118112557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 31.

The square root of 118112557 is about 10867.9601121830. The cubic root of 118112557 is about 490.6427176151.

The spelling of 118112557 in words is "one hundred eighteen million, one hundred twelve thousand, five hundred fifty-seven".