11134131320 has 64 divisors (see below), whose sum is σ = 27100120320. Its totient is φ = 4092585984.

The previous prime is 11134131313. The next prime is 11134131367. The reversal of 11134131320 is 2313143111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11134131292 and 11134131301.

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, 67952 + ... + 163968.

It is an arithmetic number, because the mean of its divisors is an integer number (423439380).

Almost surely, 2^11134131320 is an apocalyptic number.

11134131320 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 11134131320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13550060160).

11134131320 is an abundant number, since it is smaller than the sum of its proper divisors (15965989000).

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

11134131320 is a wasteful number, since it uses less digits than its factorization.

11134131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96264 (or 96260 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11134131320 its reverse (2313143111), we get a palindrome (13447274431).

The spelling of 11134131320 in words is "eleven billion, one hundred thirty-four million, one hundred thirty-one thousand, three hundred twenty".