115163332920131 has 4 divisors (see below), whose sum is σ = 119134482331200. Its totient is φ = 111192183509064.

The previous prime is 115163332920127. The next prime is 115163332920137. The reversal of 115163332920131 is 131029233361511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115163332920131 - 2² = 115163332920127 is a prime.

It is a super-2 number, since 2×115163332920131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115163332920137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1985574705491 + ... + 1985574705548.

It is an arithmetic number, because the mean of its divisors is an integer number (29783620582800).

Almost surely, 2^{115163332920131} is an apocalyptic number.

115163332920131 is a deficient number, since it is larger than the sum of its proper divisors (3971149411069).

115163332920131 is an equidigital number, since it uses as much as digits as its factorization.

115163332920131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971149411068.

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 115163332920131 in words is "one hundred fifteen trillion, one hundred sixty-three billion, three hundred thirty-two million, nine hundred twenty thousand, one hundred thirty-one".