11265005 has 18 divisors (see below), whose sum is σ = 14449806. Its totient is φ = 8429616.

The previous prime is 11264993. The next prime is 11265029. The reversal of 11265005 is 50056211.

It can be written as a sum of positive squares in only one way, i.e., 9012004 + 2253001 = 3002^2 + 1501^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11265005 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 142556 + ... + 142634.

It is an arithmetic number, because the mean of its divisors is an integer number (802767).

Almost surely, 2^11265005 is an apocalyptic number.

It is an amenable number.

11265005 is a deficient number, since it is larger than the sum of its proper divisors (3184801).

11265005 is an frugal number, since it uses more digits than its factorization.

11265005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 11265005 is about 3356.3380342272. The cubic root of 11265005 is about 224.1698130381.

Multiplying 11265005 by its sum of digits (20), we get a square (225300100 = 15010²).

The spelling of 11265005 in words is "eleven million, two hundred sixty-five thousand, five".