503052780503 has 32 divisors (see below), whose sum is σ = 632713912320. Its totient is φ = 389305595520.

The previous prime is 503052780479. The next prime is 503052780521. The reversal of 503052780503 is 305087250305.

It is a cyclic number.

It is not a de Polignac number, because 503052780503 - 2²⁴ = 503036003287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503052780553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6896738 + ... + 6969296.

It is an arithmetic number, because the mean of its divisors is an integer number (19772309760).

Almost surely, 2^503052780503 is an apocalyptic number.

503052780503 is a deficient number, since it is larger than the sum of its proper divisors (129661131817).

503052780503 is a wasteful number, since it uses less digits than its factorization.

503052780503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74247.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 503052780503 in words is "five hundred three billion, fifty-two million, seven hundred eighty thousand, five hundred three".