11136404880 has 400 divisors, whose sum is σ = 41923816704. Its totient is φ = 2728857600.

The previous prime is 11136404861. The next prime is 11136404893. The reversal of 11136404880 is 8840463111.

It is a happy number.

11136404880 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 640 + 4 + 8 + 8 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4735705 + ... + 4738055.

Almost surely, 2^11136404880 is an apocalyptic number.

11136404880 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 11136404880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20961908352).

11136404880 is an abundant number, since it is smaller than the sum of its proper divisors (30787411824).

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

11136404880 is a wasteful number, since it uses less digits than its factorization.

11136404880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

Adding to 11136404880 its reverse (8840463111), we get a palindrome (19976867991).

The spelling of 11136404880 in words is "eleven billion, one hundred thirty-six million, four hundred four thousand, eight hundred eighty".