115615226331 has 24 divisors (see below), whose sum is σ = 184900707264. Its totient is φ = 69024011760.

The previous prime is 115615226317. The next prime is 115615226357. The reversal of 115615226331 is 133622516511.

115615226331 is a `hidden beast` number, since 1 + 1 + 5 + 6 + 15 + 2 + 2 + 633 + 1 = 666.

It is not a de Polignac number, because 115615226331 - 2²⁹ = 115078355419 is a prime.

It is a super-2 number, since 2×115615226331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115615226381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8708521 + ... + 8721786.

It is an arithmetic number, because the mean of its divisors is an integer number (7704196136).

Almost surely, 2^115615226331 is an apocalyptic number.

115615226331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115615226331 is a deficient number, since it is larger than the sum of its proper divisors (69285480933).

115615226331 is a wasteful number, since it uses less digits than its factorization.

115615226331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17430391 (or 17430388 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The spelling of 115615226331 in words is "one hundred fifteen billion, six hundred fifteen million, two hundred twenty-six thousand, three hundred thirty-one".