13111211140 has 24 divisors (see below), whose sum is σ = 27731632320. Its totient is φ = 5206753248.

The previous prime is 13111211137. The next prime is 13111211153. The reversal of 13111211140 is 4111211131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2355352 + ... + 2360911.

It is an arithmetic number, because the mean of its divisors is an integer number (1155484680).

Almost surely, 2^13111211140 is an apocalyptic number.

13111211140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111211140 is an abundant number, since it is smaller than the sum of its proper divisors (14620421180).

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

13111211140 is a wasteful number, since it uses less digits than its factorization.

13111211140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716411 (or 4716409 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 13111211140 its reverse (4111211131), we get a palindrome (17222422271).

Subtracting from 13111211140 its reverse (4111211131), we obtain a palindrome (9000000009).

The spelling of 13111211140 in words is "thirteen billion, one hundred eleven million, two hundred eleven thousand, one hundred forty".