5645211551563 has 8 divisors (see below), whose sum is σ = 6061469902560. Its totient is φ = 5238307320960.

The previous prime is 5645211551527. The next prime is 5645211551587. The reversal of 5645211551563 is 3651551125465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5645211551563 - 2²¹ = 5645209454411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5645211551503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2338528848 + ... + 2338531261.

It is an arithmetic number, because the mean of its divisors is an integer number (757683737820).

Almost surely, 2^{5645211551563} is an apocalyptic number.

5645211551563 is a deficient number, since it is larger than the sum of its proper divisors (416258350997).

5645211551563 is a wasteful number, since it uses less digits than its factorization.

5645211551563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677060197.

The product of its digits is 2700000, while the sum is 49.

The spelling of 5645211551563 in words is "five trillion, six hundred forty-five billion, two hundred eleven million, five hundred fifty-one thousand, five hundred sixty-three".