5111503013 has 4 divisors (see below), whose sum is σ = 5116789920. Its totient is φ = 5106216108.

The previous prime is 5111502989. The next prime is 5111503037. The reversal of 5111503013 is 3103051115.

5111503013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3103051115 = 5 ⋅620610223.

It is an interprime number because it is at equal distance from previous prime (5111502989) and next prime (5111503037).

It is a cyclic number.

It is not a de Polignac number, because 5111503013 - 2⁸ = 5111502757 is a prime.

It is a super-2 number, since 2×5111503013² = 52254926103816156338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111506013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2642003 + ... + 2643936.

It is an arithmetic number, because the mean of its divisors is an integer number (1279197480).

Almost surely, 2^5111503013 is an apocalyptic number.

It is an amenable number.

5111503013 is a deficient number, since it is larger than the sum of its proper divisors (5286907).

5111503013 is an equidigital number, since it uses as much as digits as its factorization.

5111503013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286906.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 5111503013 is about 71494.7761238540. The cubic root of 5111503013 is about 1722.5937759997.

Adding to 5111503013 its reverse (3103051115), we get a palindrome (8214554128).

The spelling of 5111503013 in words is "five billion, one hundred eleven million, five hundred three thousand, thirteen".