215065050055 has 8 divisors (see below), whose sum is σ = 259661362032. Its totient is φ = 170996505408.

The previous prime is 215065050037. The next prime is 215065050089. The reversal of 215065050055 is 550050560512.

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 215065050055 - 2²⁷ = 214930832327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 215065050055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131940934 + ... + 131942563.

It is an arithmetic number, because the mean of its divisors is an integer number (32457670254).

Almost surely, 2^215065050055 is an apocalyptic number.

215065050055 is a deficient number, since it is larger than the sum of its proper divisors (44596311977).

215065050055 is a wasteful number, since it uses less digits than its factorization.

215065050055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263883665.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 215065050055 in words is "two hundred fifteen billion, sixty-five million, fifty thousand, fifty-five".