11104597643 has 4 divisors (see below), whose sum is σ = 11105188848. Its totient is φ = 11104006440.

The previous prime is 11104597631. The next prime is 11104597661. The reversal of 11104597643 is 34679540111.

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

It is a cyclic number.

It is not a de Polignac number, because 11104597643 - 2⁴ = 11104597627 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 11104597643.

It is not an unprimeable number, because it can be changed into a prime (11104597613) 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, 266471 + ... + 305312.

It is an arithmetic number, because the mean of its divisors is an integer number (2776297212).

Almost surely, 2^11104597643 is an apocalyptic number.

11104597643 is a deficient number, since it is larger than the sum of its proper divisors (591205).

11104597643 is an equidigital number, since it uses as much as digits as its factorization.

11104597643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591204.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 11104597643 in words is "eleven billion, one hundred four million, five hundred ninety-seven thousand, six hundred forty-three".