5145173311 has 4 divisors (see below), whose sum is σ = 5145700824. Its totient is φ = 5144645800.

The previous prime is 5145173309. The next prime is 5145173321. The reversal of 5145173311 is 1133715415.

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

It is a cyclic number.

It is not a de Polignac number, because 5145173311 - 2¹ = 5145173309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145173321) 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 in 3 ways as a sum of consecutive naturals, for example, 248845 + ... + 268726.

It is an arithmetic number, because the mean of its divisors is an integer number (1286425206).

Almost surely, 2^5145173311 is an apocalyptic number.

5145173311 is a deficient number, since it is larger than the sum of its proper divisors (527513).

5145173311 is an equidigital number, since it uses as much as digits as its factorization.

5145173311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527512.

The product of its digits is 6300, while the sum is 31.

The square root of 5145173311 is about 71729.8634530974. The cubic root of 5145173311 is about 1726.3678360169.

Adding to 5145173311 its reverse (1133715415), we get a palindrome (6278888726).

The spelling of 5145173311 in words is "five billion, one hundred forty-five million, one hundred seventy-three thousand, three hundred eleven".