11663042776 has 32 divisors (see below), whose sum is σ = 27264257280. Its totient is φ = 4544042400.

The previous prime is 11663042753. The next prime is 11663042789. The reversal of 11663042776 is 67724036611.

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 7 ways as a sum of consecutive naturals, for example, 9466140 + ... + 9467371.

It is an arithmetic number, because the mean of its divisors is an integer number (852008040).

Almost surely, 2^11663042776 is an apocalyptic number.

It is an amenable number.

11663042776 is an abundant number, since it is smaller than the sum of its proper divisors (15601214504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11663042776 is a wasteful number, since it uses less digits than its factorization.

11663042776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18933535 (or 18933531 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 11663042776 in words is "eleven billion, six hundred sixty-three million, forty-two thousand, seven hundred seventy-six".