206260615215 has 64 divisors (see below), whose sum is σ = 375996741120. Its totient is φ = 107246177280.

The previous prime is 206260615201. The next prime is 206260615241. The reversal of 206260615215 is 512516062602.

206260615215 is a `hidden beast` number, since 2 + 0 + 6 + 26 + 0 + 615 + 2 + 15 = 666.

It is not a de Polignac number, because 206260615215 - 2¹⁶ = 206260549679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206260615215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 759820 + ... + 994910.

It is an arithmetic number, because the mean of its divisors is an integer number (5874949080).

Almost surely, 2^206260615215 is an apocalyptic number.

206260615215 is a deficient number, since it is larger than the sum of its proper divisors (169736125905).

206260615215 is a wasteful number, since it uses less digits than its factorization.

206260615215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235269 (or 235263 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 206260615215 its reverse (512516062602), we get a palindrome (718776677817).

The spelling of 206260615215 in words is "two hundred six billion, two hundred sixty million, six hundred fifteen thousand, two hundred fifteen".