11127138876 has 144 divisors (see below), whose sum is σ = 33345224640. Its totient is φ = 3061094400.

The previous prime is 11127138859. The next prime is 11127138917. The reversal of 11127138876 is 67883172111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2928610 + ... + 2932406.

It is an arithmetic number, because the mean of its divisors is an integer number (231564060).

Almost surely, 2^11127138876 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 11127138876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16672612320).

11127138876 is an abundant number, since it is smaller than the sum of its proper divisors (22218085764).

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

11127138876 is a wasteful number, since it uses less digits than its factorization.

11127138876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244 (or 4239 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The spelling of 11127138876 in words is "eleven billion, one hundred twenty-seven million, one hundred thirty-eight thousand, eight hundred seventy-six".