11601838008156 has 96 divisors (see below), whose sum is σ = 30016954598400. Its totient is φ = 3458300901120.

The previous prime is 11601838008119. The next prime is 11601838008161. The reversal of 11601838008156 is 65180083810611.

It is a happy number.

It is a congruent number.

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, 737166 + ... + 4873098.

It is an arithmetic number, because the mean of its divisors is an integer number (312676610400).

Almost surely, 2^{11601838008156} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11601838008156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15008477299200).

11601838008156 is an abundant number, since it is smaller than the sum of its proper divisors (18415116590244).

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

11601838008156 is a wasteful number, since it uses less digits than its factorization.

11601838008156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136299 (or 4136297 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 48.

The spelling of 11601838008156 in words is "eleven trillion, six hundred one billion, eight hundred thirty-eight million, eight thousand, one hundred fifty-six".