215260052399 has 16 divisors (see below), whose sum is σ = 257114588160. Its totient is φ = 176206726080.

The previous prime is 215260052321. The next prime is 215260052407. The reversal of 215260052399 is 993250062512.

It is not a de Polignac number, because 215260052399 - 2¹² = 215260048303 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 (215260057399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957854 + ... + 1161035.

It is an arithmetic number, because the mean of its divisors is an integer number (16069661760).

Almost surely, 2^215260052399 is an apocalyptic number.

215260052399 is a deficient number, since it is larger than the sum of its proper divisors (41854535761).

215260052399 is a wasteful number, since it uses less digits than its factorization.

215260052399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119550.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 215260052399 in words is "two hundred fifteen billion, two hundred sixty million, fifty-two thousand, three hundred ninety-nine".