11724621573 has 8 divisors (see below), whose sum is σ = 17866090048. Its totient is φ = 6699783744.

The previous prime is 11724621563. The next prime is 11724621577. The reversal of 11724621573 is 37512642711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11724621573 - 2¹⁰ = 11724620549 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 (11724621577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279157636 + ... + 279157677.

It is an arithmetic number, because the mean of its divisors is an integer number (2233261256).

Almost surely, 2^11724621573 is an apocalyptic number.

It is an amenable number.

11724621573 is a deficient number, since it is larger than the sum of its proper divisors (6141468475).

11724621573 is an equidigital number, since it uses as much as digits as its factorization.

11724621573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558315323.

The product of its digits is 70560, while the sum is 39.

The spelling of 11724621573 in words is "eleven billion, seven hundred twenty-four million, six hundred twenty-one thousand, five hundred seventy-three".