11574390643 has 4 divisors (see below), whose sum is σ = 11575184040. Its totient is φ = 11573597248.

The previous prime is 11574390613. The next prime is 11574390673. The reversal of 11574390643 is 34609347511.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11574390613) and next prime (11574390673).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11574390643 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 11574390643.

It is not an unprimeable number, because it can be changed into a prime (11574390613) 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, 374398 + ... + 404131.

It is an arithmetic number, because the mean of its divisors is an integer number (2893796010).

Almost surely, 2^11574390643 is an apocalyptic number.

11574390643 is a deficient number, since it is larger than the sum of its proper divisors (793397).

11574390643 is an equidigital number, since it uses as much as digits as its factorization.

11574390643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793396.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 11574390643 in words is "eleven billion, five hundred seventy-four million, three hundred ninety thousand, six hundred forty-three".