5105220051511 has 4 divisors (see below), whose sum is σ = 5106938405224. Its totient is φ = 5103501697800.

The previous prime is 5105220051499. The next prime is 5105220051523. The reversal of 5105220051511 is 1151500225015.

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

It is an interprime number because it is at equal distance from previous prime (5105220051499) and next prime (5105220051523).

It is a cyclic number.

It is not a de Polignac number, because 5105220051511 - 2⁹ = 5105220050999 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 5105220051511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105220051551) 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, 859172400 + ... + 859178341.

It is an arithmetic number, because the mean of its divisors is an integer number (1276734601306).

Almost surely, 2^{5105220051511} is an apocalyptic number.

5105220051511 is a deficient number, since it is larger than the sum of its proper divisors (1718353713).

5105220051511 is a wasteful number, since it uses less digits than its factorization.

5105220051511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718353712.

The product of its (nonzero) digits is 2500, while the sum is 28.

Adding to 5105220051511 its reverse (1151500225015), we get a palindrome (6256720276526).

The spelling of 5105220051511 in words is "five trillion, one hundred five billion, two hundred twenty million, fifty-one thousand, five hundred eleven".