11445216636 has 48 divisors (see below), whose sum is σ = 30535495424. Its totient is φ = 3268463616.

The previous prime is 11445216611. The next prime is 11445216641. The reversal of 11445216636 is 63661254411.

It is a junction number, because it is equal to n+sod(n) for n = 11445216594 and 11445216603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145251 + ... + 209733.

Almost surely, 2^11445216636 is an apocalyptic number.

It is an amenable number.

11445216636 is an abundant number, since it is smaller than the sum of its proper divisors (19090278788).

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

11445216636 is a wasteful number, since it uses less digits than its factorization.

11445216636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66610 (or 66608 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The spelling of 11445216636 in words is "eleven billion, four hundred forty-five million, two hundred sixteen thousand, six hundred thirty-six".