505042240503 has 8 divisors (see below), whose sum is σ = 682874015616. Its totient is φ = 331952646200.

The previous prime is 505042240501. The next prime is 505042240529. The reversal of 505042240503 is 305042240505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505042240503 - 2¹ = 505042240501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505042240501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185544953 + ... + 1185545378.

It is an arithmetic number, because the mean of its divisors is an integer number (85359251952).

Almost surely, 2^505042240503 is an apocalyptic number.

505042240503 is a deficient number, since it is larger than the sum of its proper divisors (177831775113).

505042240503 is a wasteful number, since it uses less digits than its factorization.

505042240503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371090405.

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 505042240503 in words is "five hundred five billion, forty-two million, two hundred forty thousand, five hundred three".