2205165511365 has 16 divisors (see below), whose sum is σ = 3529256825088. Its totient is φ = 1175757603776.

The previous prime is 2205165511309. The next prime is 2205165511379. The reversal of 2205165511365 is 5631155615022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2205165511365 - 2⁹ = 2205165510853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20611677 + ... + 20718386.

It is an arithmetic number, because the mean of its divisors is an integer number (220578551568).

Almost surely, 2^{2205165511365} is an apocalyptic number.

It is an amenable number.

2205165511365 is a deficient number, since it is larger than the sum of its proper divisors (1324091313723).

2205165511365 is a wasteful number, since it uses less digits than its factorization.

2205165511365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41333628.

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 2205165511365 in words is "two trillion, two hundred five billion, one hundred sixty-five million, five hundred eleven thousand, three hundred sixty-five".