11616064202621 has 4 divisors (see below), whose sum is σ = 11616652347744. Its totient is φ = 11615476057500.

The previous prime is 11616064202591. The next prime is 11616064202627. The reversal of 11616064202621 is 12620246061611.

It is a happy number.

11616064202621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 11616064202621 - 2¹⁰ = 11616064201597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11616064202627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294042935 + ... + 294082436.

It is an arithmetic number, because the mean of its divisors is an integer number (2904163086936).

Almost surely, 2^{11616064202621} is an apocalyptic number.

It is an amenable number.

11616064202621 is a deficient number, since it is larger than the sum of its proper divisors (588145123).

11616064202621 is an equidigital number, since it uses as much as digits as its factorization.

11616064202621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588145122.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 11616064202621 in words is "eleven trillion, six hundred sixteen billion, sixty-four million, two hundred two thousand, six hundred twenty-one".