12175853775 has 12 divisors (see below), whose sum is σ = 20130745032. Its totient is φ = 6493788640.

The previous prime is 12175853761. The next prime is 12175853797. The reversal of 12175853775 is 57735857121.

It is a happy number.

It is not a de Polignac number, because 12175853775 - 2¹⁰ = 12175852751 is a prime.

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, 81172284 + ... + 81172433.

It is an arithmetic number, because the mean of its divisors is an integer number (1677562086).

Almost surely, 2^12175853775 is an apocalyptic number.

12175853775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12175853775 is a deficient number, since it is larger than the sum of its proper divisors (7954891257).

12175853775 is a wasteful number, since it uses less digits than its factorization.

12175853775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162344730 (or 162344725 counting only the distinct ones).

The product of its digits is 2058000, while the sum is 51.

The spelling of 12175853775 in words is "twelve billion, one hundred seventy-five million, eight hundred fifty-three thousand, seven hundred seventy-five".