11778890683 has 4 divisors (see below), whose sum is σ = 13461589360. Its totient is φ = 10096192008.

The previous prime is 11778890681. The next prime is 11778890693. The reversal of 11778890683 is 38609887711.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11778890683 - 2¹ = 11778890681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11778890681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841349328 + ... + 841349341.

It is an arithmetic number, because the mean of its divisors is an integer number (3365397340).

Almost surely, 2^11778890683 is an apocalyptic number.

11778890683 is a deficient number, since it is larger than the sum of its proper divisors (1682698677).

11778890683 is an equidigital number, since it uses as much as digits as its factorization.

11778890683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682698676.

The product of its (nonzero) digits is 4064256, while the sum is 58.

The spelling of 11778890683 in words is "eleven billion, seven hundred seventy-eight million, eight hundred ninety thousand, six hundred eighty-three".