7115813113 has 4 divisors (see below), whose sum is σ = 7267213440. Its totient is φ = 6964412788.

The previous prime is 7115813093. The next prime is 7115813137. The reversal of 7115813113 is 3113185117.

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: 3113185117 = 7 ⋅444740731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7115813113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7115813713) 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, 75700093 + ... + 75700186.

It is an arithmetic number, because the mean of its divisors is an integer number (1816803360).

Almost surely, 2^7115813113 is an apocalyptic number.

It is an amenable number.

7115813113 is a deficient number, since it is larger than the sum of its proper divisors (151400327).

7115813113 is a wasteful number, since it uses less digits than its factorization.

7115813113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151400326.

The product of its digits is 2520, while the sum is 31.

The square root of 7115813113 is about 84355.2791056968. The cubic root of 7115813113 is about 1923.4231749563.

The spelling of 7115813113 in words is "seven billion, one hundred fifteen million, eight hundred thirteen thousand, one hundred thirteen".