13111011132 has 48 divisors (see below), whose sum is σ = 30805391232. Its totient is φ = 4339988800.

The previous prime is 13111011127. The next prime is 13111011187. The reversal of 13111011132 is 23111011131.

It is a super-2 number, since 2×13111011132² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1326007 + ... + 1335857.

It is an arithmetic number, because the mean of its divisors is an integer number (641778984).

Almost surely, 2^13111011132 is an apocalyptic number.

13111011132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13111011132 is an abundant number, since it is smaller than the sum of its proper divisors (17694380100).

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

13111011132 is a wasteful number, since it uses less digits than its factorization.

13111011132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10618 (or 10616 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 13111011132 its reverse (23111011131), we get a palindrome (36222022263).

Subtracting 13111011132 from its reverse (23111011131), we obtain a palindrome (9999999999).

The spelling of 13111011132 in words is "thirteen billion, one hundred eleven million, eleven thousand, one hundred thirty-two".