11520665635233 has 16 divisors (see below), whose sum is σ = 16193029351680. Its totient is φ = 7265556541584.

The previous prime is 11520665635211. The next prime is 11520665635247. The reversal of 11520665635233 is 33253656602511.

It is not a de Polignac number, because 11520665635233 - 2⁶ = 11520665635169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11520665635333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147923691 + ... + 148001552.

It is an arithmetic number, because the mean of its divisors is an integer number (1012064334480).

Almost surely, 2^{11520665635233} is an apocalyptic number.

It is an amenable number.

11520665635233 is a deficient number, since it is larger than the sum of its proper divisors (4672363716447).

11520665635233 is a wasteful number, since it uses less digits than its factorization.

11520665635233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295925948.

The product of its (nonzero) digits is 2916000, while the sum is 48.

The spelling of 11520665635233 in words is "eleven trillion, five hundred twenty billion, six hundred sixty-five million, six hundred thirty-five thousand, two hundred thirty-three".