512834545438157 has 2 divisors, whose sum is σ = 512834545438158. Its totient is φ = 512834545438156.

The previous prime is 512834545438121. The next prime is 512834545438231. The reversal of 512834545438157 is 751834545438215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462447348058921 + 50387197379236 = 21504589^2 + 7098394^2 .

It is a cyclic number.

It is not a de Polignac number, because 512834545438157 - 2¹⁰ = 512834545437133 is a prime.

It is a super-2 number, since 2×512834545438157² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512834545438093 and 512834545438102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512834545437157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256417272719078 + 256417272719079.

It is an arithmetic number, because the mean of its divisors is an integer number (256417272719079).

Almost surely, 2^{512834545438157} is an apocalyptic number.

It is an amenable number.

512834545438157 is a deficient number, since it is larger than the sum of its proper divisors (1).

512834545438157 is an equidigital number, since it uses as much as digits as its factorization.

512834545438157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560000, while the sum is 65.

The spelling of 512834545438157 in words is "five hundred twelve trillion, eight hundred thirty-four billion, five hundred forty-five million, four hundred thirty-eight thousand, one hundred fifty-seven".