11321645260 has 48 divisors (see below), whose sum is σ = 24156276480. Its totient is φ = 4456267200.

The previous prime is 11321645219. The next prime is 11321645267. The reversal of 11321645260 is 6254612311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11321645267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1404321 + ... + 1412359.

It is an arithmetic number, because the mean of its divisors is an integer number (503255760).

Almost surely, 2^11321645260 is an apocalyptic number.

11321645260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321645260 is an abundant number, since it is smaller than the sum of its proper divisors (12834631220).

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

11321645260 is a wasteful number, since it uses less digits than its factorization.

11321645260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9166 (or 9164 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 11321645260 in words is "eleven billion, three hundred twenty-one million, six hundred forty-five thousand, two hundred sixty".