113000861813 has 12 divisors (see below), whose sum is σ = 131472100332. Its totient is φ = 96841584000.

The previous prime is 113000861797. The next prime is 113000861819. The reversal of 113000861813 is 318168000311.

It can be written as a sum of positive squares in 2 ways, for example, as 30346336804 + 82654525009 = 174202^2 + 287497^2 .

It is not a de Polignac number, because 113000861813 - 2⁴ = 113000861797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113000861813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113000861819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104813 + ... + 486813.

It is an arithmetic number, because the mean of its divisors is an integer number (10956008361).

Almost surely, 2^113000861813 is an apocalyptic number.

It is an amenable number.

113000861813 is a deficient number, since it is larger than the sum of its proper divisors (18471238519).

113000861813 is an equidigital number, since it uses as much as digits as its factorization.

113000861813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388052 (or 388045 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 113000861813 in words is "one hundred thirteen billion, eight hundred sixty-one thousand, eight hundred thirteen".