11312260565 has 32 divisors (see below), whose sum is σ = 14700510720. Its totient is φ = 8329388544.

The previous prime is 11312260543. The next prime is 11312260567. The reversal of 11312260565 is 56506221311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11312260565 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312260567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 602459 + ... + 620951.

It is an arithmetic number, because the mean of its divisors is an integer number (459390960).

Almost surely, 2^11312260565 is an apocalyptic number.

It is an amenable number.

11312260565 is a deficient number, since it is larger than the sum of its proper divisors (3388250155).

11312260565 is a wasteful number, since it uses less digits than its factorization.

11312260565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18701.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 11312260565 its reverse (56506221311), we get a palindrome (67818481876).

The spelling of 11312260565 in words is "eleven billion, three hundred twelve million, two hundred sixty thousand, five hundred sixty-five".