11265643065 has 8 divisors (see below), whose sum is σ = 18025028928. Its totient is φ = 6008342960.

The previous prime is 11265643049. The next prime is 11265643093. The reversal of 11265643065 is 56034656211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11265643065 - 2⁴ = 11265643049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375521421 + ... + 375521450.

It is an arithmetic number, because the mean of its divisors is an integer number (2253128616).

Almost surely, 2^11265643065 is an apocalyptic number.

11265643065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11265643065 is a deficient number, since it is larger than the sum of its proper divisors (6759385863).

11265643065 is an equidigital number, since it uses as much as digits as its factorization.

11265643065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751042879.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 11265643065 in words is "eleven billion, two hundred sixty-five million, six hundred forty-three thousand, sixty-five".