512766055541 has 2 divisors, whose sum is σ = 512766055542. Its totient is φ = 512766055540.

The previous prime is 512766055513. The next prime is 512766055579. The reversal of 512766055541 is 145550667215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508240668100 + 4525387441 = 712910^2 + 67271^2 .

It is a cyclic number.

It is not a de Polignac number, because 512766055541 - 2²⁶ = 512698946677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512766055141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256383027770 + 256383027771.

It is an arithmetic number, because the mean of its divisors is an integer number (256383027771).

Almost surely, 2^512766055541 is an apocalyptic number.

It is an amenable number.

512766055541 is a deficient number, since it is larger than the sum of its proper divisors (1).

512766055541 is an equidigital number, since it uses as much as digits as its factorization.

512766055541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260000, while the sum is 47.

The spelling of 512766055541 in words is "five hundred twelve billion, seven hundred sixty-six million, fifty-five thousand, five hundred forty-one".