5111801273 has 2 divisors, whose sum is σ = 5111801274. Its totient is φ = 5111801272.

The previous prime is 5111801251. The next prime is 5111801291. The reversal of 5111801273 is 3721081115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4041399184 + 1070402089 = 63572^2 + 32717^2 .

It is a cyclic number.

It is not a de Polignac number, because 5111801273 - 2⁶ = 5111801209 is a prime.

It is a super-2 number, since 2×5111801273² = 52261024509288841058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5111801243) 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, 2555900636 + 2555900637.

It is an arithmetic number, because the mean of its divisors is an integer number (2555900637).

Almost surely, 2^5111801273 is an apocalyptic number.

It is an amenable number.

5111801273 is a deficient number, since it is larger than the sum of its proper divisors (1).

5111801273 is an equidigital number, since it uses as much as digits as its factorization.

5111801273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 5111801273 is about 71496.8619800897. The cubic root of 5111801273 is about 1722.6272802238.

Adding to 5111801273 its reverse (3721081115), we get a palindrome (8832882388).

The spelling of 5111801273 in words is "five billion, one hundred eleven million, eight hundred one thousand, two hundred seventy-three".