5185118503 has 2 divisors, whose sum is σ = 5185118504. Its totient is φ = 5185118502.

The previous prime is 5185118479. The next prime is 5185118557. The reversal of 5185118503 is 3058115815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5185118503 - 2⁹ = 5185117991 is a prime.

It is a super-2 number, since 2×5185118503² = 53770907780305922018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5185118573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2592559251 + 2592559252.

It is an arithmetic number, because the mean of its divisors is an integer number (2592559252).

Almost surely, 2^5185118503 is an apocalyptic number.

5185118503 is a deficient number, since it is larger than the sum of its proper divisors (1).

5185118503 is an equidigital number, since it uses as much as digits as its factorization.

5185118503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 37.

The square root of 5185118503 is about 72007.7669630159. The cubic root of 5185118503 is about 1730.8239476765.

The spelling of 5185118503 in words is "five billion, one hundred eighty-five million, one hundred eighteen thousand, five hundred three".