505535101403 has 2 divisors, whose sum is σ = 505535101404. Its totient is φ = 505535101402.

The previous prime is 505535101387. The next prime is 505535101459. The reversal of 505535101403 is 304101535505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505535101403 - 2⁴ = 505535101387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505535101403.

It is not a weakly prime, because it can be changed into another prime (505535101003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252767550701 + 252767550702.

It is an arithmetic number, because the mean of its divisors is an integer number (252767550702).

Almost surely, 2^505535101403 is an apocalyptic number.

505535101403 is a deficient number, since it is larger than the sum of its proper divisors (1).

505535101403 is an equidigital number, since it uses as much as digits as its factorization.

505535101403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 32.

Adding to 505535101403 its reverse (304101535505), we get a palindrome (809636636908).

The spelling of 505535101403 in words is "five hundred five billion, five hundred thirty-five million, one hundred one thousand, four hundred three".