11624445021 has 16 divisors (see below), whose sum is σ = 17727868928. Its totient is φ = 6637129200.

The previous prime is 11624445013. The next prime is 11624445023. The reversal of 11624445021 is 12054442611.

It is not a de Polignac number, because 11624445021 - 2³ = 11624445013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11624445021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11624445023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198985 + ... + 250686.

It is an arithmetic number, because the mean of its divisors is an integer number (1107991808).

Almost surely, 2^11624445021 is an apocalyptic number.

It is an amenable number.

11624445021 is a deficient number, since it is larger than the sum of its proper divisors (6103423907).

11624445021 is a wasteful number, since it uses less digits than its factorization.

11624445021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450912.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 11624445021 its reverse (12054442611), we get a palindrome (23678887632).

The spelling of 11624445021 in words is "eleven billion, six hundred twenty-four million, four hundred forty-five thousand, twenty-one".