11593972897709 has 4 divisors (see below), whose sum is σ = 11907323516604. Its totient is φ = 11280622278816.

The previous prime is 11593972897687. The next prime is 11593972897711. The reversal of 11593972897709 is 90779827939511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10831852627684 + 762120270025 = 3291178^2 + 872995^2 .

It is a cyclic number.

It is not a de Polignac number, because 11593972897709 - 2²⁸ = 11593704462253 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 11593972897709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11593972894709) 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, 156675309392 + ... + 156675309465.

It is an arithmetic number, because the mean of its divisors is an integer number (2976830879151).

Almost surely, 2^{11593972897709} is an apocalyptic number.

It is an amenable number.

11593972897709 is a deficient number, since it is larger than the sum of its proper divisors (313350618895).

11593972897709 is an equidigital number, since it uses as much as digits as its factorization.

11593972897709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313350618894.

The product of its (nonzero) digits is 540101520, while the sum is 77.

The spelling of 11593972897709 in words is "eleven trillion, five hundred ninety-three billion, nine hundred seventy-two million, eight hundred ninety-seven thousand, seven hundred nine".