11205703265 has 16 divisors (see below), whose sum is σ = 13851329232. Its totient is φ = 8696346624.

The previous prime is 11205703241. The next prime is 11205703279. The reversal of 11205703265 is 56230750211.

It can be written as a sum of positive squares in 8 ways, for example, as 366186496 + 10839516769 = 19136^2 + 104113^2 .

It is a cyclic number.

It is not a de Polignac number, because 11205703265 - 2¹⁰ = 11205702241 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 27524 + ... + 152213.

It is an arithmetic number, because the mean of its divisors is an integer number (865708077).

Almost surely, 2^11205703265 is an apocalyptic number.

It is an amenable number.

11205703265 is a deficient number, since it is larger than the sum of its proper divisors (2645625967).

11205703265 is a wasteful number, since it uses less digits than its factorization.

11205703265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180116.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 11205703265 in words is "eleven billion, two hundred five million, seven hundred three thousand, two hundred sixty-five".