11740645265 has 4 divisors (see below), whose sum is σ = 14088774324. Its totient is φ = 9392516208.

The previous prime is 11740645249. The next prime is 11740645289. The reversal of 11740645265 is 56254604711.

11740645265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3427399936 + 8313245329 = 58544^2 + 91177^2 .

It is a cyclic number.

It is not a de Polignac number, because 11740645265 - 2⁴ = 11740645249 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1174064522 + ... + 1174064531.

It is an arithmetic number, because the mean of its divisors is an integer number (3522193581).

Almost surely, 2^11740645265 is an apocalyptic number.

It is an amenable number.

11740645265 is a deficient number, since it is larger than the sum of its proper divisors (2348129059).

11740645265 is an equidigital number, since it uses as much as digits as its factorization.

11740645265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348129058.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 11740645265 in words is "eleven billion, seven hundred forty million, six hundred forty-five thousand, two hundred sixty-five".