118157756813 has 2 divisors, whose sum is σ = 118157756814. Its totient is φ = 118157756812.

The previous prime is 118157756791. The next prime is 118157756831. The reversal of 118157756813 is 318657751811.

Together with next prime (118157756831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70800162889 + 47357593924 = 266083^2 + 217618^2 .

It is a cyclic number.

It is not a de Polignac number, because 118157756813 - 2⁸ = 118157756557 is a prime.

It is a super-2 number, since 2×118157756813² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118157756413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59078878406 + 59078878407.

It is an arithmetic number, because the mean of its divisors is an integer number (59078878407).

Almost surely, 2^118157756813 is an apocalyptic number.

It is an amenable number.

118157756813 is a deficient number, since it is larger than the sum of its proper divisors (1).

118157756813 is an equidigital number, since it uses as much as digits as its factorization.

118157756813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 53.

The spelling of 118157756813 in words is "one hundred eighteen billion, one hundred fifty-seven million, seven hundred fifty-six thousand, eight hundred thirteen".