12159283550 has 24 divisors (see below), whose sum is σ = 22622268600. Its totient is φ = 4862422880.

The previous prime is 12159283519. The next prime is 12159283571. The reversal of 12159283550 is 5538295121.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12159283498 and 12159283507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170696 + ... + 231204.

It is an arithmetic number, because the mean of its divisors is an integer number (942594525).

Almost surely, 2^12159283550 is an apocalyptic number.

12159283550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12159283550 is a deficient number, since it is larger than the sum of its proper divisors (10462985050).

12159283550 is a wasteful number, since it uses less digits than its factorization.

12159283550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64540 (or 64535 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 12159283550 in words is "twelve billion, one hundred fifty-nine million, two hundred eighty-three thousand, five hundred fifty".