113518130081 has 2 divisors, whose sum is σ = 113518130082. Its totient is φ = 113518130080.

The previous prime is 113518130069. The next prime is 113518130087. The reversal of 113518130081 is 180031815311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113490829456 + 27300625 = 336884^2 + 5225^2 .

It is a cyclic number.

It is not a de Polignac number, because 113518130081 - 2²⁶ = 113451021217 is a prime.

It is a super-2 number, since 2×113518130081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113518130087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56759065040 + 56759065041.

It is an arithmetic number, because the mean of its divisors is an integer number (56759065041).

Almost surely, 2^113518130081 is an apocalyptic number.

It is an amenable number.

113518130081 is a deficient number, since it is larger than the sum of its proper divisors (1).

113518130081 is an equidigital number, since it uses as much as digits as its factorization.

113518130081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 32.

Adding to 113518130081 its reverse (180031815311), we get a palindrome (293549945392).

The spelling of 113518130081 in words is "one hundred thirteen billion, five hundred eighteen million, one hundred thirty thousand, eighty-one".