115220983681 has 8 divisors (see below), whose sum is σ = 122462774720. Its totient is φ = 108096945552.

The previous prime is 115220983673. The next prime is 115220983697. The reversal of 115220983681 is 186389022511.

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 115220983681 - 2³ = 115220983673 is a prime.

It is a super-2 number, since 2×115220983681² (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 (115220983601) 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, 29436210 + ... + 29440123.

It is an arithmetic number, because the mean of its divisors is an integer number (15307846840).

Almost surely, 2^115220983681 is an apocalyptic number.

It is an amenable number.

115220983681 is a deficient number, since it is larger than the sum of its proper divisors (7241791039).

115220983681 is a wasteful number, since it uses less digits than its factorization.

115220983681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58876455.

The product of its (nonzero) digits is 207360, while the sum is 46.

It can be divided in two parts, 115220 and 983681, that added together give a palindrome (1098901).

The spelling of 115220983681 in words is "one hundred fifteen billion, two hundred twenty million, nine hundred eighty-three thousand, six hundred eighty-one".