11992997329 has 8 divisors (see below), whose sum is σ = 12015452160. Its totient is φ = 11970561456.

The previous prime is 11992997297. The next prime is 11992997333. The reversal of 11992997329 is 92379929911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11992997329 - 2⁵ = 11992997297 is a prime.

It is a super-3 number, since 3×11992997329³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11992994329) 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 7 ways as a sum of consecutive naturals, for example, 1949232 + ... + 1955374.

It is an arithmetic number, because the mean of its divisors is an integer number (1501931520).

Almost surely, 2^11992997329 is an apocalyptic number.

It is an amenable number.

11992997329 is a deficient number, since it is larger than the sum of its proper divisors (22454831).

11992997329 is an equidigital number, since it uses as much as digits as its factorization.

11992997329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9479.

The product of its digits is 4960116, while the sum is 61.

The spelling of 11992997329 in words is "eleven billion, nine hundred ninety-two million, nine hundred ninety-seven thousand, three hundred twenty-nine".