11782403885 has 16 divisors (see below), whose sum is σ = 16161956352. Its totient is φ = 8077747200.

The previous prime is 11782403869. The next prime is 11782403917. The reversal of 11782403885 is 58830428711.

It is not a de Polignac number, because 11782403885 - 2⁴ = 11782403869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159500 + ... + 221370.

It is an arithmetic number, because the mean of its divisors is an integer number (1010122272).

Almost surely, 2^11782403885 is an apocalyptic number.

It is an amenable number.

11782403885 is a deficient number, since it is larger than the sum of its proper divisors (4379552467).

11782403885 is an equidigital number, since it uses as much as digits as its factorization.

11782403885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67324.

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 11782403885 in words is "eleven billion, seven hundred eighty-two million, four hundred three thousand, eight hundred eighty-five".