13111214032 has 160 divisors (see below), whose sum is σ = 31353421824. Its totient is φ = 5189184000.

The previous prime is 13111214023. The next prime is 13111214063. The reversal of 13111214032 is 23041211131.

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, 14391657 + ... + 14392567.

Almost surely, 2^13111214032 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 13111214032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15676710912).

13111214032 is an abundant number, since it is smaller than the sum of its proper divisors (18242207792).

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

13111214032 is a wasteful number, since it uses less digits than its factorization.

13111214032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13111214032 its reverse (23041211131), we get a palindrome (36152425163).

The spelling of 13111214032 in words is "thirteen billion, one hundred eleven million, two hundred fourteen thousand, thirty-two".