5646656201215 has 4 divisors (see below), whose sum is σ = 6775987441464. Its totient is φ = 4517324960968.

The previous prime is 5646656201213. The next prime is 5646656201237. The reversal of 5646656201215 is 5121026566465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5646656201215 - 2¹ = 5646656201213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5646656201213) 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, 564665620117 + ... + 564665620126.

It is an arithmetic number, because the mean of its divisors is an integer number (1693996860366).

Almost surely, 2^{5646656201215} is an apocalyptic number.

5646656201215 is a deficient number, since it is larger than the sum of its proper divisors (1129331240249).

5646656201215 is a wasteful number, since it uses less digits than its factorization.

5646656201215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129331240248.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 5646656201215 in words is "five trillion, six hundred forty-six billion, six hundred fifty-six million, two hundred one thousand, two hundred fifteen".