505545602603 has 2 divisors, whose sum is σ = 505545602604. Its totient is φ = 505545602602.

The previous prime is 505545602581. The next prime is 505545602663. The reversal of 505545602603 is 306206545505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505545602603 - 2²⁰ = 505544554027 is a prime.

It is a super-2 number, since 2×505545602603² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (505545602663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252772801301 + 252772801302.

It is an arithmetic number, because the mean of its divisors is an integer number (252772801302).

Almost surely, 2^505545602603 is an apocalyptic number.

505545602603 is a deficient number, since it is larger than the sum of its proper divisors (1).

505545602603 is an equidigital number, since it uses as much as digits as its factorization.

505545602603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 505545602603 in words is "five hundred five billion, five hundred forty-five million, six hundred two thousand, six hundred three".