11722457605722 has 32 divisors (see below), whose sum is σ = 24469898826240. Its totient is φ = 3736733592240.

The previous prime is 11722457605679. The next prime is 11722457605763. The reversal of 11722457605722 is 22750675422711.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9189804 + ... + 10387367.

It is an arithmetic number, because the mean of its divisors is an integer number (764684338320).

Almost surely, 2^{11722457605722} is an apocalyptic number.

11722457605722 is an abundant number, since it is smaller than the sum of its proper divisors (12747441220518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11722457605722 is a wasteful number, since it uses less digits than its factorization.

11722457605722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19581538.

The product of its (nonzero) digits is 3292800, while the sum is 51.

The spelling of 11722457605722 in words is "eleven trillion, seven hundred twenty-two billion, four hundred fifty-seven million, six hundred five thousand, seven hundred twenty-two".