11155571738160 has 160 divisors (see below), whose sum is σ = 36445792320000. Its totient is φ = 2814889678848.

The previous prime is 11155571738119. The next prime is 11155571738183. The reversal of 11155571738160 is 6183717555111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2367916 + ... + 5283764.

It is an arithmetic number, because the mean of its divisors is an integer number (227786202000).

Almost surely, 2^{11155571738160} is an apocalyptic number.

11155571738160 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 11155571738160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18222896160000).

11155571738160 is an abundant number, since it is smaller than the sum of its proper divisors (25290220581840).

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

11155571738160 is a wasteful number, since it uses less digits than its factorization.

11155571738160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916723 (or 2916717 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 51.

The spelling of 11155571738160 in words is "eleven trillion, one hundred fifty-five billion, five hundred seventy-one million, seven hundred thirty-eight thousand, one hundred sixty".