11785788963 has 24 divisors (see below), whose sum is σ = 18522471968. Its totient is φ = 7178015232.

The previous prime is 11785788953. The next prime is 11785788979. The reversal of 11785788963 is 36988758711.

It is not a de Polignac number, because 11785788963 - 2²² = 11781594659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11785788963.

It is not an unprimeable number, because it can be changed into a prime (11785788953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507895 + ... + 530592.

Almost surely, 2^11785788963 is an apocalyptic number.

11785788963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11785788963 is a deficient number, since it is larger than the sum of its proper divisors (6736683005).

11785788963 is a wasteful number, since it uses less digits than its factorization.

11785788963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038603 (or 1038600 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 63.

The spelling of 11785788963 in words is "eleven billion, seven hundred eighty-five million, seven hundred eighty-eight thousand, nine hundred sixty-three".