11559287212 has 12 divisors (see below), whose sum is σ = 22067730216. Its totient is φ = 5254221440.

The previous prime is 11559287191. The next prime is 11559287269. The reversal of 11559287212 is 21278295511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131355493 + ... + 131355580.

It is an arithmetic number, because the mean of its divisors is an integer number (1838977518).

Almost surely, 2^11559287212 is an apocalyptic number.

It is an amenable number.

11559287212 is a deficient number, since it is larger than the sum of its proper divisors (10508443004).

11559287212 is a wasteful number, since it uses less digits than its factorization.

11559287212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262711088 (or 262711086 counting only the distinct ones).

The product of its digits is 100800, while the sum is 43.

The spelling of 11559287212 in words is "eleven billion, five hundred fifty-nine million, two hundred eighty-seven thousand, two hundred twelve".