13011361168 has 160 divisors (see below), whose sum is σ = 28810156032. Its totient is φ = 5651251200.

The previous prime is 13011361151. The next prime is 13011361217. The reversal of 13011361168 is 86116311031.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 44407230 + ... + 44407522.

Almost surely, 2^13011361168 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 13011361168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14405078016).

13011361168 is an abundant number, since it is smaller than the sum of its proper divisors (15798794864).

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

13011361168 is a wasteful number, since it uses less digits than its factorization.

13011361168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

Adding to 13011361168 its reverse (86116311031), we get a palindrome (99127672199).

The spelling of 13011361168 in words is "thirteen billion, eleven million, three hundred sixty-one thousand, one hundred sixty-eight".