11927732799 has 32 divisors (see below), whose sum is σ = 16586665920. Its totient is φ = 7615060992.

The previous prime is 11927732779. The next prime is 11927732807. The reversal of 11927732799 is 99723772911.

It is a happy number.

It is not a de Polignac number, because 11927732799 - 2⁷ = 11927732671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11927732779) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6803307 + ... + 6805059.

It is an arithmetic number, because the mean of its divisors is an integer number (518333310).

Almost surely, 2^11927732799 is an apocalyptic number.

11927732799 is a deficient number, since it is larger than the sum of its proper divisors (4658933121).

11927732799 is a wasteful number, since it uses less digits than its factorization.

11927732799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379.

The product of its digits is 3000564, while the sum is 57.

It can be divided in two parts, 119277 and 32799, that added together give a triangular number (152076 = T₅₅₁).

The spelling of 11927732799 in words is "eleven billion, nine hundred twenty-seven million, seven hundred thirty-two thousand, seven hundred ninety-nine".