12175845513 has 16 divisors (see below), whose sum is σ = 17489989440. Its totient is φ = 7489946304.

The previous prime is 12175845509. The next prime is 12175845527. The reversal of 12175845513 is 31554857121.

12175845513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12175845513 - 2² = 12175845509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12175845113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44995 + ... + 162407.

It is an arithmetic number, because the mean of its divisors is an integer number (1093124340).

Almost surely, 2^12175845513 is an apocalyptic number.

12175845513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12175845513 is a deficient number, since it is larger than the sum of its proper divisors (5314143927).

12175845513 is a wasteful number, since it uses less digits than its factorization.

12175845513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120088.

The product of its digits is 168000, while the sum is 42.

The spelling of 12175845513 in words is "twelve billion, one hundred seventy-five million, eight hundred forty-five thousand, five hundred thirteen".