11154782808 has 288 divisors, whose sum is σ = 35730676800. Its totient is φ = 3249777024.

The previous prime is 11154782803. The next prime is 11154782809. The reversal of 11154782808 is 80828745111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11154782803) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6241291 + ... + 6243077.

It is an arithmetic number, because the mean of its divisors is an integer number (124064850).

Almost surely, 2^11154782808 is an apocalyptic number.

11154782808 is a gapful number since it is divisible by the number (18) 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 11154782808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17865338400).

11154782808 is an abundant number, since it is smaller than the sum of its proper divisors (24575893992).

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

11154782808 is a wasteful number, since it uses less digits than its factorization.

11154782808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 45.

The spelling of 11154782808 in words is "eleven billion, one hundred fifty-four million, seven hundred eighty-two thousand, eight hundred eight".