113613500081 has 8 divisors (see below), whose sum is σ = 119621642400. Its totient is φ = 107608206240.

The previous prime is 113613500059. The next prime is 113613500083. The reversal of 113613500081 is 180005316311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113613500081 - 2¹⁰ = 113613499057 is a prime.

It is a super-2 number, since 2×113613500081² (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 (113613500083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629996 + ... + 790013.

It is an arithmetic number, because the mean of its divisors is an integer number (14952705300).

Almost surely, 2^113613500081 is an apocalyptic number.

It is an amenable number.

113613500081 is a deficient number, since it is larger than the sum of its proper divisors (6008142319).

113613500081 is a wasteful number, since it uses less digits than its factorization.

113613500081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424239.

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 113613500081 its reverse (180005316311), we get a palindrome (293618816392).

The spelling of 113613500081 in words is "one hundred thirteen billion, six hundred thirteen million, five hundred thousand, eighty-one".