11624560121 has 4 divisors (see below), whose sum is σ = 11737420032. Its totient is φ = 11511700212.

The previous prime is 11624560093. The next prime is 11624560151. The reversal of 11624560121 is 12106542611.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12106542611 = 47 ⋅257586013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11624560121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11624560151) 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 3 ways as a sum of consecutive naturals, for example, 56429801 + ... + 56430006.

It is an arithmetic number, because the mean of its divisors is an integer number (2934355008).

Almost surely, 2^11624560121 is an apocalyptic number.

It is an amenable number.

11624560121 is a deficient number, since it is larger than the sum of its proper divisors (112859911).

11624560121 is a wasteful number, since it uses less digits than its factorization.

11624560121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112859910.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 11624560121 in words is "eleven billion, six hundred twenty-four million, five hundred sixty thousand, one hundred twenty-one".