511603609103 has 2 divisors, whose sum is σ = 511603609104. Its totient is φ = 511603609102.

The previous prime is 511603608961. The next prime is 511603609159. The reversal of 511603609103 is 301906306115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 511603609103 - 2²⁸ = 511335173647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511603609183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255801804551 + 255801804552.

It is an arithmetic number, because the mean of its divisors is an integer number (255801804552).

Almost surely, 2^511603609103 is an apocalyptic number.

511603609103 is a deficient number, since it is larger than the sum of its proper divisors (1).

511603609103 is an equidigital number, since it uses as much as digits as its factorization.

511603609103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The spelling of 511603609103 in words is "five hundred eleven billion, six hundred three million, six hundred nine thousand, one hundred three".