11782109490 has 32 divisors (see below), whose sum is σ = 29506502016. Its totient is φ = 3005291520.

The previous prime is 11782109483. The next prime is 11782109503. The reversal of 11782109490 is 9490128711.

11782109490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8537071 + ... + 8538450.

It is an arithmetic number, because the mean of its divisors is an integer number (922078188).

Almost surely, 2^11782109490 is an apocalyptic number.

11782109490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11782109490 is an abundant number, since it is smaller than the sum of its proper divisors (17724392526).

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

11782109490 is a wasteful number, since it uses less digits than its factorization.

11782109490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17075554.

The product of its (nonzero) digits is 36288, while the sum is 42.

The spelling of 11782109490 in words is "eleven billion, seven hundred eighty-two million, one hundred nine thousand, four hundred ninety".