11520642120599 has 16 divisors (see below), whose sum is σ = 11706618760320. Its totient is φ = 11335084881120.

The previous prime is 11520642120551. The next prime is 11520642120667. The reversal of 11520642120599 is 99502124602511.

It is not a de Polignac number, because 11520642120599 - 2⁴⁰ = 10421130492823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520642120539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241859117 + ... + 241906745.

It is an arithmetic number, because the mean of its divisors is an integer number (731663672520).

Almost surely, 2^{11520642120599} is an apocalyptic number.

11520642120599 is a deficient number, since it is larger than the sum of its proper divisors (185976639721).

11520642120599 is a wasteful number, since it uses less digits than its factorization.

11520642120599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51950.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 11520642120599 in words is "eleven trillion, five hundred twenty billion, six hundred forty-two million, one hundred twenty thousand, five hundred ninety-nine".