5000511111051 has 4 divisors (see below), whose sum is σ = 6667348148072. Its totient is φ = 3333674074032.

The previous prime is 5000511111047. The next prime is 5000511111161. The reversal of 5000511111051 is 1501111150005.

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

It is not a de Polignac number, because 5000511111051 - 2² = 5000511111047 is a prime.

It is a super-2 number, since 2×5000511111051² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5000511111551) 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, 833418518506 + ... + 833418518511.

It is an arithmetic number, because the mean of its divisors is an integer number (1666837037018).

Almost surely, 2^{5000511111051} is an apocalyptic number.

5000511111051 is a deficient number, since it is larger than the sum of its proper divisors (1666837037021).

5000511111051 is a wasteful number, since it uses less digits than its factorization.

5000511111051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666837037020.

The product of its (nonzero) digits is 125, while the sum is 21.

Adding to 5000511111051 its reverse (1501111150005), we get a palindrome (6501622261056).

The spelling of 5000511111051 in words is "five trillion, five hundred eleven million, one hundred eleven thousand, fifty-one".