11265440560 has 40 divisors (see below), whose sum is σ = 28573256016. Its totient is φ = 4096523520.

The previous prime is 11265440551. The next prime is 11265440561. The reversal of 11265440560 is 6504456211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×11265440560² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11265440561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6399939 + ... + 6401698.

Almost surely, 2^11265440560 is an apocalyptic number.

11265440560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11265440560 is an abundant number, since it is smaller than the sum of its proper divisors (17307815456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11265440560 is a wasteful number, since it uses less digits than its factorization.

11265440560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12801661 (or 12801655 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 11265440560 its reverse (6504456211), we get a palindrome (17769896771).

The spelling of 11265440560 in words is "eleven billion, two hundred sixty-five million, four hundred forty thousand, five hundred sixty".