511134805793 has 2 divisors, whose sum is σ = 511134805794. Its totient is φ = 511134805792.

The previous prime is 511134805789. The next prime is 511134805801. The reversal of 511134805793 is 397508431115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321498072064 + 189636733729 = 567008^2 + 435473^2 .

It is a cyclic number.

It is not a de Polignac number, because 511134805793 - 2² = 511134805789 is a prime.

It is a super-2 number, since 2×511134805793² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (511134805703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255567402896 + 255567402897.

It is an arithmetic number, because the mean of its divisors is an integer number (255567402897).

Almost surely, 2^511134805793 is an apocalyptic number.

It is an amenable number.

511134805793 is a deficient number, since it is larger than the sum of its proper divisors (1).

511134805793 is an equidigital number, since it uses as much as digits as its factorization.

511134805793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 511134805793 in words is "five hundred eleven billion, one hundred thirty-four million, eight hundred five thousand, seven hundred ninety-three".