512183725121 has 2 divisors, whose sum is σ = 512183725122. Its totient is φ = 512183725120.

The previous prime is 512183725051. The next prime is 512183725159. The reversal of 512183725121 is 121527381215.

It is a happy number.

It is an a-pointer prime, because the next prime (512183725159) can be obtained adding 512183725121 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407637556225 + 104546168896 = 638465^2 + 323336^2 .

It is a cyclic number.

It is not a de Polignac number, because 512183725121 - 2³⁰ = 511109983297 is a prime.

It is not a weakly prime, because it can be changed into another prime (512183745121) 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 as a sum of consecutive naturals, namely, 256091862560 + 256091862561.

It is an arithmetic number, because the mean of its divisors is an integer number (256091862561).

Almost surely, 2^512183725121 is an apocalyptic number.

It is an amenable number.

512183725121 is a deficient number, since it is larger than the sum of its proper divisors (1).

512183725121 is an equidigital number, since it uses as much as digits as its factorization.

512183725121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 38.

The spelling of 512183725121 in words is "five hundred twelve billion, one hundred eighty-three million, seven hundred twenty-five thousand, one hundred twenty-one".