11134837912 has 64 divisors (see below), whose sum is σ = 23614156800. Its totient is φ = 4875776640.

The previous prime is 11134837897. The next prime is 11134837921. The reversal of 11134837912 is 21973843111.

It is a happy number.

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, 1187113 + ... + 1196455.

It is an arithmetic number, because the mean of its divisors is an integer number (368971200).

Almost surely, 2^11134837912 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 11134837912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11807078400).

11134837912 is an abundant number, since it is smaller than the sum of its proper divisors (12479318888).

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

11134837912 is a wasteful number, since it uses less digits than its factorization.

11134837912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9856 (or 9852 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The spelling of 11134837912 in words is "eleven billion, one hundred thirty-four million, eight hundred thirty-seven thousand, nine hundred twelve".