115020681 has 4 divisors (see below), whose sum is σ = 153360912. Its totient is φ = 76680452.

The previous prime is 115020671. The next prime is 115020707. The reversal of 115020681 is 186020511.

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 not a de Polignac number, because 115020681 - 2²¹ = 112923529 is a prime.

It is a super-2 number, since 2×115020681² = 26459514115407522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115020671) 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, 19170111 + ... + 19170116.

It is an arithmetic number, because the mean of its divisors is an integer number (38340228).

Almost surely, 2^115020681 is an apocalyptic number.

It is an amenable number.

115020681 is a deficient number, since it is larger than the sum of its proper divisors (38340231).

115020681 is an equidigital number, since it uses as much as digits as its factorization.

115020681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38340230.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 115020681 is about 10724.7695080127. The cubic root of 115020681 is about 486.3235622455.

The spelling of 115020681 in words is "one hundred fifteen million, twenty thousand, six hundred eighty-one".