115143011013 has 4 divisors (see below), whose sum is σ = 153524014688. Its totient is φ = 76762007340.

The previous prime is 115143010999. The next prime is 115143011017. The reversal of 115143011013 is 310110341511.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310110341511 = 3 ⋅103370113837.

It is not a de Polignac number, because 115143011013 - 2⁹ = 115143010501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115143011017) 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, 19190501833 + ... + 19190501838.

It is an arithmetic number, because the mean of its divisors is an integer number (38381003672).

Almost surely, 2^115143011013 is an apocalyptic number.

It is an amenable number.

115143011013 is a deficient number, since it is larger than the sum of its proper divisors (38381003675).

115143011013 is an equidigital number, since it uses as much as digits as its factorization.

115143011013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38381003674.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 115143011013 its reverse (310110341511), we get a palindrome (425253352524).

The spelling of 115143011013 in words is "one hundred fifteen billion, one hundred forty-three million, eleven thousand, thirteen".