1113604817 has 4 divisors (see below), whose sum is σ = 1199266740. Its totient is φ = 1027942896.

The previous prime is 1113604769. The next prime is 1113604829. The reversal of 1113604817 is 7184063111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7184063111 = 461 ⋅15583651.

It can be written as a sum of positive squares in 2 ways, for example, as 188897536 + 924707281 = 13744^2 + 30409^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113604817 - 2¹⁴ = 1113588433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113603817) 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, 42830942 + ... + 42830967.

It is an arithmetic number, because the mean of its divisors is an integer number (299816685).

Almost surely, 2^1113604817 is an apocalyptic number.

It is an amenable number.

1113604817 is a deficient number, since it is larger than the sum of its proper divisors (85661923).

1113604817 is an equidigital number, since it uses as much as digits as its factorization.

1113604817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85661922.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1113604817 is about 33370.7179575148. The cubic root of 1113604817 is about 1036.5184420966.

Adding to 1113604817 its reverse (7184063111), we get a palindrome (8297667928).

The spelling of 1113604817 in words is "one billion, one hundred thirteen million, six hundred four thousand, eight hundred seventeen".