11932782391 has 8 divisors (see below), whose sum is σ = 12142616400. Its totient is φ = 11723201280.

The previous prime is 11932782383. The next prime is 11932782397. The reversal of 11932782391 is 19328723911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11932782391 - 2³ = 11932782383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11932782397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33255 + ... + 158023.

It is an arithmetic number, because the mean of its divisors is an integer number (1517827050).

Almost surely, 2^11932782391 is an apocalyptic number.

11932782391 is a deficient number, since it is larger than the sum of its proper divisors (209834009).

11932782391 is a wasteful number, since it uses less digits than its factorization.

11932782391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126449.

The product of its digits is 163296, while the sum is 46.

The spelling of 11932782391 in words is "eleven billion, nine hundred thirty-two million, seven hundred eighty-two thousand, three hundred ninety-one".