50516111003 has 4 divisors (see below), whose sum is σ = 50601298968. Its totient is φ = 50430923040.

The previous prime is 50516110999. The next prime is 50516111047. The reversal of 50516111003 is 30011161505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50516111003 - 2² = 50516110999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50516111003.

It is not an unprimeable number, because it can be changed into a prime (50516111903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42593093 + ... + 42594278.

It is an arithmetic number, because the mean of its divisors is an integer number (12650324742).

Almost surely, 2^50516111003 is an apocalyptic number.

50516111003 is a deficient number, since it is larger than the sum of its proper divisors (85187965).

50516111003 is an equidigital number, since it uses as much as digits as its factorization.

50516111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85187964.

The product of its (nonzero) digits is 450, while the sum is 23.

Adding to 50516111003 its reverse (30011161505), we get a palindrome (80527272508).

The spelling of 50516111003 in words is "fifty billion, five hundred sixteen million, one hundred eleven thousand, three".