11187601408 has 60 divisors (see below), whose sum is σ = 23097327232. Its totient is φ = 5413109760.

The previous prime is 11187601331. The next prime is 11187601441. The reversal of 11187601408 is 80410678111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496891 + ... + 518917.

Almost surely, 2^11187601408 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 11187601408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11548663616).

11187601408 is an abundant number, since it is smaller than the sum of its proper divisors (11909725824).

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

11187601408 is an frugal number, since it uses more digits than its factorization.

11187601408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22086 (or 22060 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 37.

The spelling of 11187601408 in words is "eleven billion, one hundred eighty-seven million, six hundred one thousand, four hundred eight".