11776536816 has 40 divisors (see below), whose sum is σ = 33188423424. Its totient is φ = 3568647360.

The previous prime is 11776536809. The next prime is 11776536829. The reversal of 11776536816 is 61863567711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11151496 + ... + 11152551.

Almost surely, 2^11776536816 is an apocalyptic number.

11776536816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11776536816 is an abundant number, since it is smaller than the sum of its proper divisors (21411886608).

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

11776536816 is a wasteful number, since it uses less digits than its factorization.

11776536816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22304069 (or 22304063 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The spelling of 11776536816 in words is "eleven billion, seven hundred seventy-six million, five hundred thirty-six thousand, eight hundred sixteen".