512655101197 has 2 divisors, whose sum is σ = 512655101198. Its totient is φ = 512655101196.

The previous prime is 512655101183. The next prime is 512655101243. The reversal of 512655101197 is 791101556215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 505131447076 + 7523654121 = 710726^2 + 86739^2 .

It is a cyclic number.

It is not a de Polignac number, because 512655101197 - 2¹¹ = 512655099149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512655101107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256327550598 + 256327550599.

It is an arithmetic number, because the mean of its divisors is an integer number (256327550599).

Almost surely, 2^512655101197 is an apocalyptic number.

It is an amenable number.

512655101197 is a deficient number, since it is larger than the sum of its proper divisors (1).

512655101197 is an equidigital number, since it uses as much as digits as its factorization.

512655101197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94500, while the sum is 43.

The spelling of 512655101197 in words is "five hundred twelve billion, six hundred fifty-five million, one hundred one thousand, one hundred ninety-seven".