11163386388 has 288 divisors, whose sum is σ = 35025177600. Its totient is φ = 2742949440.

The previous prime is 11163386383. The next prime is 11163386389. The reversal of 11163386388 is 88368336111.

It is a super-4 number, since 4×11163386388⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11163386383) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16344295 + ... + 16344977.

It is an arithmetic number, because the mean of its divisors is an integer number (121615200).

Almost surely, 2^11163386388 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 11163386388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17512588800).

11163386388 is an abundant number, since it is smaller than the sum of its proper divisors (23861791212).

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

11163386388 is a wasteful number, since it uses less digits than its factorization.

11163386388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 725 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The spelling of 11163386388 in words is "eleven billion, one hundred sixty-three million, three hundred eighty-six thousand, three hundred eighty-eight".