503116421153 has 4 divisors (see below), whose sum is σ = 503126961408. Its totient is φ = 503105880900.

The previous prime is 503116421099. The next prime is 503116421209. The reversal of 503116421153 is 351124611305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 503116421153 - 2³⁰ = 502042679329 is a prime.

It is a super-2 number, since 2×503116421153² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503116421653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5198201 + ... + 5294102.

It is an arithmetic number, because the mean of its divisors is an integer number (125781740352).

Almost surely, 2^503116421153 is an apocalyptic number.

It is an amenable number.

503116421153 is a deficient number, since it is larger than the sum of its proper divisors (10540255).

503116421153 is a wasteful number, since it uses less digits than its factorization.

503116421153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10540254.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 503116421153 in words is "five hundred three billion, one hundred sixteen million, four hundred twenty-one thousand, one hundred fifty-three".