5111631851 has 2 divisors, whose sum is σ = 5111631852. Its totient is φ = 5111631850.

The previous prime is 5111631829. The next prime is 5111631857. The reversal of 5111631851 is 1581361115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5111631851 - 2¹⁸ = 5111369707 is a prime.

It is a super-2 number, since 2×5111631851² = 52257560360315372402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5111631857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555815925 + 2555815926.

It is an arithmetic number, because the mean of its divisors is an integer number (2555815926).

Almost surely, 2^5111631851 is an apocalyptic number.

5111631851 is a deficient number, since it is larger than the sum of its proper divisors (1).

5111631851 is an equidigital number, since it uses as much as digits as its factorization.

5111631851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 32.

The square root of 5111631851 is about 71495.6771490417. The cubic root of 5111631851 is about 1722.6082488251.

Adding to 5111631851 its reverse (1581361115), we get a palindrome (6692992966).

The spelling of 5111631851 in words is "five billion, one hundred eleven million, six hundred thirty-one thousand, eight hundred fifty-one".