12175853797 has 2 divisors, whose sum is σ = 12175853798. Its totient is φ = 12175853796.

The previous prime is 12175853761. The next prime is 12175853831. The reversal of 12175853797 is 79735857121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9421808356 + 2754045441 = 97066^2 + 52479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12175853797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12175853737) by changing a digit.

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 as a sum of consecutive naturals, namely, 6087926898 + 6087926899.

It is an arithmetic number, because the mean of its divisors is an integer number (6087926899).

Almost surely, 2^12175853797 is an apocalyptic number.

It is an amenable number.

12175853797 is a deficient number, since it is larger than the sum of its proper divisors (1).

12175853797 is an equidigital number, since it uses as much as digits as its factorization.

12175853797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3704400, while the sum is 55.

The spelling of 12175853797 in words is "twelve billion, one hundred seventy-five million, eight hundred fifty-three thousand, seven hundred ninety-seven".