12750545871 has 24 divisors (see below), whose sum is σ = 21067997184. Its totient is φ = 7279284240.

The previous prime is 12750545833. The next prime is 12750545881. The reversal of 12750545871 is 17854505721.

12750545871 is a `hidden beast` number, since 1 + 27 + 5 + 0 + 545 + 87 + 1 = 666.

It is not a de Polignac number, because 12750545871 - 2⁹ = 12750545359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12750545881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24615 + ... + 161576.

It is an arithmetic number, because the mean of its divisors is an integer number (877833216).

Almost surely, 2^12750545871 is an apocalyptic number.

12750545871 is a deficient number, since it is larger than the sum of its proper divisors (8317451313).

12750545871 is a wasteful number, since it uses less digits than its factorization.

12750545871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187291 (or 187288 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 45.

The spelling of 12750545871 in words is "twelve billion, seven hundred fifty million, five hundred forty-five thousand, eight hundred seventy-one".