11221315264 has 28 divisors (see below), whose sum is σ = 22275849784. Its totient is φ = 5608502784.

The previous prime is 11221315253. The next prime is 11221315271. The reversal of 11221315264 is 46251312211.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141319 + ... + 205945.

Almost surely, 2^11221315264 is an apocalyptic number.

It is an amenable number.

11221315264 is a deficient number, since it is larger than the sum of its proper divisors (11054534520).

11221315264 is an equidigital number, since it uses as much as digits as its factorization.

11221315264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67352 (or 67342 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

Adding to 11221315264 its reverse (46251312211), we get a palindrome (57472627475).

The spelling of 11221315264 in words is "eleven billion, two hundred twenty-one million, three hundred fifteen thousand, two hundred sixty-four".