11799509712 has 40 divisors (see below), whose sum is σ = 30490625856. Its totient is φ = 3932065536.

The previous prime is 11799509681. The next prime is 11799509731. The reversal of 11799509712 is 21790599711.

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, 148188 + ... + 213444.

Almost surely, 2^11799509712 is an apocalyptic number.

11799509712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11799509712 is an abundant number, since it is smaller than the sum of its proper divisors (18691116144).

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

11799509712 is a wasteful number, since it uses less digits than its factorization.

11799509712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69035 (or 69029 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 51.

The spelling of 11799509712 in words is "eleven billion, seven hundred ninety-nine million, five hundred nine thousand, seven hundred twelve".