201165165215 has 48 divisors (see below), whose sum is σ = 295974816480. Its totient is φ = 130672039680.

The previous prime is 201165165199. The next prime is 201165165239. The reversal of 201165165215 is 512561561102.

It is not a de Polignac number, because 201165165215 - 2⁴ = 201165165199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109460 + ... + 643670.

It is an arithmetic number, because the mean of its divisors is an integer number (6166142010).

Almost surely, 2^201165165215 is an apocalyptic number.

201165165215 is a deficient number, since it is larger than the sum of its proper divisors (94809651265).

201165165215 is a wasteful number, since it uses less digits than its factorization.

201165165215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534312 (or 534305 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 201165165215 in words is "two hundred one billion, one hundred sixty-five million, one hundred sixty-five thousand, two hundred fifteen".