113319513619 has 4 divisors (see below), whose sum is σ = 122036399296. Its totient is φ = 104602627944.

The previous prime is 113319513599. The next prime is 113319513623. The reversal of 113319513619 is 916315913311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 916315913311 = 29 ⋅31597100459.

It is a cyclic number.

It is not a de Polignac number, because 113319513619 - 2⁷ = 113319513491 is a prime.

It is a super-2 number, since 2×113319513619² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113319513649) 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, 4358442819 + ... + 4358442844.

It is an arithmetic number, because the mean of its divisors is an integer number (30509099824).

Almost surely, 2^113319513619 is an apocalyptic number.

113319513619 is a deficient number, since it is larger than the sum of its proper divisors (8716885677).

113319513619 is an equidigital number, since it uses as much as digits as its factorization.

113319513619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8716885676.

The product of its digits is 65610, while the sum is 43.

The spelling of 113319513619 in words is "one hundred thirteen billion, three hundred nineteen million, five hundred thirteen thousand, six hundred nineteen".