11982908782 has 64 divisors (see below), whose sum is σ = 20691707904. Its totient is φ = 5161685760.

The previous prime is 11982908767. The next prime is 11982908783. The reversal of 11982908782 is 28780928911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11982908783) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 17341057 + ... + 17341747.

It is an arithmetic number, because the mean of its divisors is an integer number (323307936).

Almost surely, 2^11982908782 is an apocalyptic number.

11982908782 is a deficient number, since it is larger than the sum of its proper divisors (8708799122).

11982908782 is a wasteful number, since it uses less digits than its factorization.

11982908782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393.

The product of its (nonzero) digits is 1161216, while the sum is 55.

The spelling of 11982908782 in words is "eleven billion, nine hundred eighty-two million, nine hundred eight thousand, seven hundred eighty-two".