2851753108181 has 2 divisors, whose sum is σ = 2851753108182. Its totient is φ = 2851753108180.

The previous prime is 2851753108081. The next prime is 2851753108187. The reversal of 2851753108181 is 1818013571582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2844167569156 + 7585539025 = 1686466^2 + 87095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2851753108181 is a prime.

It is a super-2 number, since 2×2851753108181² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2851753108187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425876554090 + 1425876554091.

It is an arithmetic number, because the mean of its divisors is an integer number (1425876554091).

Almost surely, 2^{2851753108181} is an apocalyptic number.

It is an amenable number.

2851753108181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2851753108181 is an equidigital number, since it uses as much as digits as its factorization.

2851753108181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537600, while the sum is 50.

The spelling of 2851753108181 in words is "two trillion, eight hundred fifty-one billion, seven hundred fifty-three million, one hundred eight thousand, one hundred eighty-one".