5571655666215 has 16 divisors (see below), whose sum is σ = 8914711587936. Its totient is φ = 2971528848000.

The previous prime is 5571655666177. The next prime is 5571655666223. The reversal of 5571655666215 is 5126665561755.

It is not a de Polignac number, because 5571655666215 - 2¹⁵ = 5571655633447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1043865 + ... + 3497565.

It is an arithmetic number, because the mean of its divisors is an integer number (557169474246).

Almost surely, 2^{5571655666215} is an apocalyptic number.

5571655666215 is a deficient number, since it is larger than the sum of its proper divisors (3343055921721).

5571655666215 is a wasteful number, since it uses less digits than its factorization.

5571655666215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605090.

The product of its digits is 56700000, while the sum is 60.

The spelling of 5571655666215 in words is "five trillion, five hundred seventy-one billion, six hundred fifty-five million, six hundred sixty-six thousand, two hundred fifteen".