11722570055 has 8 divisors (see below), whose sum is σ = 16076667552. Its totient is φ = 8038333728.

The previous prime is 11722569953. The next prime is 11722570073. The reversal of 11722570055 is 55007522711.

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

It is a cyclic number.

It is not a de Polignac number, because 11722570055 - 2¹⁸ = 11722307911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 334930573 = 11722570055 / (1 + 1 + 7 + 2 + 2 + 5 + 7 + 0 + 0 + 5 + 5).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11722569997 and 11722570024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167465252 + ... + 167465321.

It is an arithmetic number, because the mean of its divisors is an integer number (2009583444).

Almost surely, 2^11722570055 is an apocalyptic number.

11722570055 is a deficient number, since it is larger than the sum of its proper divisors (4354097497).

11722570055 is an equidigital number, since it uses as much as digits as its factorization.

11722570055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334930585.

The product of its (nonzero) digits is 24500, while the sum is 35.

The spelling of 11722570055 in words is "eleven billion, seven hundred twenty-two million, five hundred seventy thousand, fifty-five".