1113500613 has 4 divisors (see below), whose sum is σ = 1484667488. Its totient is φ = 742333740.

The previous prime is 1113500581. The next prime is 1113500621. The reversal of 1113500613 is 3160053111.

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: 3160053111 = 3 ⋅1053351037.

It is not a de Polignac number, because 1113500613 - 2⁵ = 1113500581 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 1113500613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113500623) 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, 185583433 + ... + 185583438.

It is an arithmetic number, because the mean of its divisors is an integer number (371166872).

Almost surely, 2^1113500613 is an apocalyptic number.

It is an amenable number.

1113500613 is a deficient number, since it is larger than the sum of its proper divisors (371166875).

1113500613 is an equidigital number, since it uses as much as digits as its factorization.

1113500613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371166874.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1113500613 is about 33369.1566120572. The cubic root of 1113500613 is about 1036.4861108377.

Adding to 1113500613 its reverse (3160053111), we get a palindrome (4273553724).

The spelling of 1113500613 in words is "one billion, one hundred thirteen million, five hundred thousand, six hundred thirteen".