12750013775025 has 36 divisors (see below), whose sum is σ = 22921586211420. Its totient is φ = 6774728476800.

The previous prime is 12750013775021. The next prime is 12750013775063. The reversal of 12750013775025 is 52057731005721.

12750013775025 is a `hidden beast` number, since 1 + 2 + 7 + 5 + 0 + 0 + 137 + 7 + 502 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3644804084769 + 9105209690256 = 1909137^2 + 3017484^2 .

It is not a de Polignac number, because 12750013775025 - 2² = 12750013775021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (12750013775021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 105267966 + ... + 105389015.

It is an arithmetic number, because the mean of its divisors is an integer number (636710728095).

Almost surely, 2^{12750013775025} is an apocalyptic number.

12750013775025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12750013775025 is a deficient number, since it is larger than the sum of its proper divisors (10171572436395).

12750013775025 is a wasteful number, since it uses less digits than its factorization.

12750013775025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210657266 (or 210657258 counting only the distinct ones).

The product of its (nonzero) digits is 514500, while the sum is 45.

The spelling of 12750013775025 in words is "twelve trillion, seven hundred fifty billion, thirteen million, seven hundred seventy-five thousand, twenty-five".