11722124585 has 8 divisors (see below), whose sum is σ = 14224601160. Its totient is φ = 9272331904.

The previous prime is 11722124569. The next prime is 11722124591. The reversal of 11722124585 is 58542122711.

It can be written as a sum of positive squares in 4 ways, for example, as 168454441 + 11553670144 = 12979^2 + 107488^2 .

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 11722124585 - 2⁴ = 11722124569 is a prime.

It is a super-2 number, since 2×11722124585² (a number of 21 digits) contains 22 as substring.

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, 13170482 + ... + 13171371.

It is an arithmetic number, because the mean of its divisors is an integer number (1778075145).

Almost surely, 2^11722124585 is an apocalyptic number.

It is an amenable number.

11722124585 is a deficient number, since it is larger than the sum of its proper divisors (2502476575).

11722124585 is an equidigital number, since it uses as much as digits as its factorization.

11722124585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26341947.

The product of its digits is 44800, while the sum is 38.

The spelling of 11722124585 in words is "eleven billion, seven hundred twenty-two million, one hundred twenty-four thousand, five hundred eighty-five".