118113583121 has 2 divisors, whose sum is σ = 118113583122. Its totient is φ = 118113583120.

The previous prime is 118113583099. The next prime is 118113583129. The reversal of 118113583121 is 121385311811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61076202496 + 57037380625 = 247136^2 + 238825^2 .

It is a cyclic number.

It is not a de Polignac number, because 118113583121 - 2⁶ = 118113583057 is a prime.

It is a super-2 number, since 2×118113583121² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (118113583129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59056791560 + 59056791561.

It is an arithmetic number, because the mean of its divisors is an integer number (59056791561).

Almost surely, 2^118113583121 is an apocalyptic number.

It is an amenable number.

118113583121 is a deficient number, since it is larger than the sum of its proper divisors (1).

118113583121 is an equidigital number, since it uses as much as digits as its factorization.

118113583121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 35.

Adding to 118113583121 its reverse (121385311811), we get a palindrome (239498894932).

The spelling of 118113583121 in words is "one hundred eighteen billion, one hundred thirteen million, five hundred eighty-three thousand, one hundred twenty-one".