5105501851 has 2 divisors, whose sum is σ = 5105501852. Its totient is φ = 5105501850.

The previous prime is 5105501827. The next prime is 5105501861. The reversal of 5105501851 is 1581055015.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5105501851 - 2²³ = 5097113243 is a prime.

It is a super-2 number, since 2×5105501851² = 52132298301128852402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5105501861) 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 as a sum of consecutive naturals, namely, 2552750925 + 2552750926.

It is an arithmetic number, because the mean of its divisors is an integer number (2552750926).

Almost surely, 2^5105501851 is an apocalyptic number.

5105501851 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105501851 is an equidigital number, since it uses as much as digits as its factorization.

5105501851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5000, while the sum is 31.

The square root of 5105501851 is about 71452.7945639637. The cubic root of 5105501851 is about 1721.9193747175.

Adding to 5105501851 its reverse (1581055015), we get a palindrome (6686556866).

The spelling of 5105501851 in words is "five billion, one hundred five million, five hundred one thousand, eight hundred fifty-one".