13161261031160 has 128 divisors (see below), whose sum is σ = 33159603096000. Its totient is φ = 4660846080000.

The previous prime is 13161261031151. The next prime is 13161261031183. The reversal of 13161261031160 is 6113016216131.

It is a super-3 number, since 3×13161261031160³ (a number of 40 digits) contains 333 as substring.

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, 283316 + ... + 5138364.

Almost surely, 2^{13161261031160} is an apocalyptic number.

13161261031160 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 13161261031160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16579801548000).

13161261031160 is an abundant number, since it is smaller than the sum of its proper divisors (19998342064840).

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

13161261031160 is a wasteful number, since it uses less digits than its factorization.

13161261031160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855233 (or 4855229 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

Adding to 13161261031160 its reverse (6113016216131), we get a palindrome (19274277247291).

The spelling of 13161261031160 in words is "thirteen trillion, one hundred sixty-one billion, two hundred sixty-one million, thirty-one thousand, one hundred sixty".