2206155515705 has 32 divisors (see below), whose sum is σ = 2950994540160. Its totient is φ = 1573493713920.

The previous prime is 2206155515539. The next prime is 2206155515717. The reversal of 2206155515705 is 5075155516022.

It is not a de Polignac number, because 2206155515705 - 2²⁰ = 2206154467129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14476967 + ... + 14628563.

It is an arithmetic number, because the mean of its divisors is an integer number (92218579380).

Almost surely, 2^{2206155515705} is an apocalyptic number.

It is an amenable number.

2206155515705 is a deficient number, since it is larger than the sum of its proper divisors (744839024455).

2206155515705 is a wasteful number, since it uses less digits than its factorization.

2206155515705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160649.

The product of its (nonzero) digits is 525000, while the sum is 44.

The spelling of 2206155515705 in words is "two trillion, two hundred six billion, one hundred fifty-five million, five hundred fifteen thousand, seven hundred five".