1113512112613 has 4 divisors (see below), whose sum is σ = 1113546951648. Its totient is φ = 1113477273580.

The previous prime is 1113512112563. The next prime is 1113512112617. The reversal of 1113512112613 is 3162112153111.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1113512112613 - 2¹⁷ = 1113511981541 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 (1113512112617) 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, 17371531 + ... + 17435512.

It is an arithmetic number, because the mean of its divisors is an integer number (278386737912).

Almost surely, 2^{1113512112613} is an apocalyptic number.

It is an amenable number.

1113512112613 is a deficient number, since it is larger than the sum of its proper divisors (34839035).

1113512112613 is an equidigital number, since it uses as much as digits as its factorization.

1113512112613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34839034.

The product of its digits is 1080, while the sum is 28.

Adding to 1113512112613 its reverse (3162112153111), we get a palindrome (4275624265724).

The spelling of 1113512112613 in words is "one trillion, one hundred thirteen billion, five hundred twelve million, one hundred twelve thousand, six hundred thirteen".