11622700521 has 12 divisors (see below), whose sum is σ = 16791124740. Its totient is φ = 7747184160.

The previous prime is 11622700511. The next prime is 11622700553. The reversal of 11622700521 is 12500722611.

11622700521 is a `hidden beast` number, since 11 + 62 + 2 + 70 + 0 + 521 = 666.

11622700521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 710808921 + 10911891600 = 26661^2 + 104460^2 .

It is not a de Polignac number, because 11622700521 - 2¹⁷ = 11622569449 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11622700511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47806 + ... + 159783.

It is an arithmetic number, because the mean of its divisors is an integer number (1399260395).

Almost surely, 2^11622700521 is an apocalyptic number.

It is an amenable number.

11622700521 is a deficient number, since it is larger than the sum of its proper divisors (5168424219).

11622700521 is a wasteful number, since it uses less digits than its factorization.

11622700521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213816 (or 213813 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The spelling of 11622700521 in words is "eleven billion, six hundred twenty-two million, seven hundred thousand, five hundred twenty-one".