113482178681 has 4 divisors (see below), whose sum is σ = 113671632000. Its totient is φ = 113292725364.

The previous prime is 113482178647. The next prime is 113482178683. The reversal of 113482178681 is 186871284311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113482178681 is a prime.

It is a super-2 number, since 2×113482178681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113482178683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94725761 + ... + 94726958.

It is an arithmetic number, because the mean of its divisors is an integer number (28417908000).

Almost surely, 2^113482178681 is an apocalyptic number.

It is an amenable number.

113482178681 is a deficient number, since it is larger than the sum of its proper divisors (189453319).

113482178681 is an equidigital number, since it uses as much as digits as its factorization.

113482178681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189453318.

The product of its digits is 516096, while the sum is 50.

The spelling of 113482178681 in words is "one hundred thirteen billion, four hundred eighty-two million, one hundred seventy-eight thousand, six hundred eighty-one".