113018938681 has 16 divisors (see below), whose sum is σ = 124293040128. Its totient is φ = 101911824000.

The previous prime is 113018938657. The next prime is 113018938757. The reversal of 113018938681 is 186839810311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113018938681 - 2¹⁵ = 113018905913 is a prime.

It is a super-2 number, since 2×113018938681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113018938181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9355261 + ... + 9367333.

It is an arithmetic number, because the mean of its divisors is an integer number (7768315008).

Almost surely, 2^113018938681 is an apocalyptic number.

113018938681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113018938681 is a deficient number, since it is larger than the sum of its proper divisors (11274101447).

113018938681 is a wasteful number, since it uses less digits than its factorization.

113018938681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18912.

The product of its (nonzero) digits is 248832, while the sum is 49.

The spelling of 113018938681 in words is "one hundred thirteen billion, eighteen million, nine hundred thirty-eight thousand, six hundred eighty-one".