11115605522160 has 240 divisors, whose sum is σ = 37422538732800. Its totient is φ = 2956811268096.

The previous prime is 11115605522123. The next prime is 11115605522179. The reversal of 11115605522160 is 6122550651111.

11115605522160 is a `hidden beast` number, since 1 + 1 + 1 + 15 + 60 + 5 + 522 + 1 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×11115605522160² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1217076954 + ... + 1217086086.

It is an arithmetic number, because the mean of its divisors is an integer number (155927244720).

Almost surely, 2^{11115605522160} is an apocalyptic number.

11115605522160 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 11115605522160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18711269366400).

11115605522160 is an abundant number, since it is smaller than the sum of its proper divisors (26306933210640).

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

11115605522160 is a wasteful number, since it uses less digits than its factorization.

11115605522160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13160 (or 13151 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

The spelling of 11115605522160 in words is "eleven trillion, one hundred fifteen billion, six hundred five million, five hundred twenty-two thousand, one hundred sixty".