11722556160 has 648 divisors, whose sum is σ = 49709303280. Its totient is φ = 2536095744.

The previous prime is 11722556143. The next prime is 11722556177. The reversal of 11722556160 is 6165522711.

11722556160 is a `hidden beast` number, since 1 + 1 + 72 + 25 + 561 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (11722556143) and next prime (11722556177).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10724574 + ... + 10725666.

Almost surely, 2^11722556160 is an apocalyptic number.

11722556160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11722556160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24854651640).

11722556160 is an abundant number, since it is smaller than the sum of its proper divisors (37986747120).

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

11722556160 is a wasteful number, since it uses less digits than its factorization.

11722556160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 11722556160 in words is "eleven billion, seven hundred twenty-two million, five hundred fifty-six thousand, one hundred sixty".