11997032833 has 4 divisors (see below), whose sum is σ = 12024868608. Its totient is φ = 11969197060.

The previous prime is 11997032819. The next prime is 11997032843. The reversal of 11997032833 is 33823079911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11997032833 - 2²¹ = 11994935681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11997032813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13917241 + ... + 13918102.

It is an arithmetic number, because the mean of its divisors is an integer number (3006217152).

Almost surely, 2^11997032833 is an apocalyptic number.

It is an amenable number.

11997032833 is a deficient number, since it is larger than the sum of its proper divisors (27835775).

11997032833 is an equidigital number, since it uses as much as digits as its factorization.

11997032833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27835774.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 11997032833 in words is "eleven billion, nine hundred ninety-seven million, thirty-two thousand, eight hundred thirty-three".