11138228160 has 112 divisors (see below), whose sum is σ = 35790201216. Its totient is φ = 2934387712.

The previous prime is 11138228149. The next prime is 11138228177. The reversal of 11138228160 is 6182283111.

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, 9787 + ... + 149573.

It is an arithmetic number, because the mean of its divisors is an integer number (319555368).

Almost surely, 2^11138228160 is an apocalyptic number.

11138228160 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 11138228160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17895100608).

11138228160 is an abundant number, since it is smaller than the sum of its proper divisors (24651973056).

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

11138228160 is a wasteful number, since it uses less digits than its factorization.

11138228160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139890 (or 139880 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 11138228160 in words is "eleven billion, one hundred thirty-eight million, two hundred twenty-eight thousand, one hundred sixty".