12566145150 has 144 divisors (see below), whose sum is σ = 37612280160. Its totient is φ = 2986502400.

The previous prime is 12566145143. The next prime is 12566145161. The reversal of 12566145150 is 5154166521.

12566145150 is a `hidden beast` number, since 1 + 2 + 566 + 1 + 45 + 1 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 132615 + ... + 206685.

It is an arithmetic number, because the mean of its divisors is an integer number (261196390).

Almost surely, 2^12566145150 is an apocalyptic number.

12566145150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12566145150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18806140080).

12566145150 is an abundant number, since it is smaller than the sum of its proper divisors (25046135010).

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

12566145150 is a wasteful number, since it uses less digits than its factorization.

12566145150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74131 (or 74123 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 12566145150 in words is "twelve billion, five hundred sixty-six million, one hundred forty-five thousand, one hundred fifty".