12185574053 has 2 divisors, whose sum is σ = 12185574054. Its totient is φ = 12185574052.

The previous prime is 12185574031. The next prime is 12185574077. The reversal of 12185574053 is 35047558121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9397945249 + 2787628804 = 96943^2 + 52798^2 .

It is a cyclic number.

It is not a de Polignac number, because 12185574053 - 2⁶ = 12185573989 is a prime.

It is a super-2 number, since 2×12185574053² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12185574053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12185574083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6092787026 + 6092787027.

It is an arithmetic number, because the mean of its divisors is an integer number (6092787027).

Almost surely, 2^12185574053 is an apocalyptic number.

It is an amenable number.

12185574053 is a deficient number, since it is larger than the sum of its proper divisors (1).

12185574053 is an equidigital number, since it uses as much as digits as its factorization.

12185574053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 12185574053 in words is "twelve billion, one hundred eighty-five million, five hundred seventy-four thousand, fifty-three".