1113574661 has 4 divisors (see below), whose sum is σ = 1114567392. Its totient is φ = 1112581932.

The previous prime is 1113574633. The next prime is 1113574663. The reversal of 1113574661 is 1664753111.

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 1113574661 - 2⁶ = 1113574597 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 (1113574663) 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, 494681 + ... + 496926.

It is an arithmetic number, because the mean of its divisors is an integer number (278641848).

Almost surely, 2^1113574661 is an apocalyptic number.

It is an amenable number.

1113574661 is a deficient number, since it is larger than the sum of its proper divisors (992731).

1113574661 is an equidigital number, since it uses as much as digits as its factorization.

1113574661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992730.

The product of its digits is 15120, while the sum is 35.

The square root of 1113574661 is about 33370.2661212044. The cubic root of 1113574661 is about 1036.5090858355.

The spelling of 1113574661 in words is "one billion, one hundred thirteen million, five hundred seventy-four thousand, six hundred sixty-one".