517053535091 has 2 divisors, whose sum is σ = 517053535092. Its totient is φ = 517053535090.

The previous prime is 517053535057. The next prime is 517053535129. The reversal of 517053535091 is 190535350715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 517053535091 - 2⁶ = 517053535027 is a prime.

It is not a weakly prime, because it can be changed into another prime (517053535291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258526767545 + 258526767546.

It is an arithmetic number, because the mean of its divisors is an integer number (258526767546).

Almost surely, 2^517053535091 is an apocalyptic number.

517053535091 is a deficient number, since it is larger than the sum of its proper divisors (1).

517053535091 is an equidigital number, since it uses as much as digits as its factorization.

517053535091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 354375, while the sum is 44.

The spelling of 517053535091 in words is "five hundred seventeen billion, fifty-three million, five hundred thirty-five thousand, ninety-one".