5135566435903 has 2 divisors, whose sum is σ = 5135566435904. Its totient is φ = 5135566435902.

The previous prime is 5135566435891. The next prime is 5135566435973. The reversal of 5135566435903 is 3095346655315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5135566435903 - 2²⁹ = 5135029564991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5135566435973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2567783217951 + 2567783217952.

It is an arithmetic number, because the mean of its divisors is an integer number (2567783217952).

Almost surely, 2^{5135566435903} is an apocalyptic number.

5135566435903 is a deficient number, since it is larger than the sum of its proper divisors (1).

5135566435903 is an equidigital number, since it uses as much as digits as its factorization.

5135566435903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870000, while the sum is 55.

The spelling of 5135566435903 in words is "five trillion, one hundred thirty-five billion, five hundred sixty-six million, four hundred thirty-five thousand, nine hundred three".