115181861174613 has 32 divisors (see below), whose sum is σ = 170832010694400. Its totient is φ = 76701418380288.

The previous prime is 115181861174587. The next prime is 115181861174641. The reversal of 115181861174613 is 316471168181511.

115181861174613 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 8 + 1 + 8 + 6 + 1 + 17 + 4 + 613 = 666.

It is not a de Polignac number, because 115181861174613 - 2¹² = 115181861170517 is a prime.

It is a super-2 number, since 2×115181861174613² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115181861174613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115181861174683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555560056 + ... + 555767342.

It is an arithmetic number, because the mean of its divisors is an integer number (5338500334200).

Almost surely, 2^{115181861174613} is an apocalyptic number.

It is an amenable number.

115181861174613 is a deficient number, since it is larger than the sum of its proper divisors (55650149519787).

115181861174613 is a wasteful number, since it uses less digits than its factorization.

115181861174613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230378 (or 230372 counting only the distinct ones).

The product of its digits is 967680, while the sum is 54.

The spelling of 115181861174613 in words is "one hundred fifteen trillion, one hundred eighty-one billion, eight hundred sixty-one million, one hundred seventy-four thousand, six hundred thirteen".