5113111253 has 4 divisors (see below), whose sum is σ = 5113778508. Its totient is φ = 5112444000.

The previous prime is 5113111219. The next prime is 5113111319. The reversal of 5113111253 is 3521113115.

5113111253 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.

It can be written as a sum of positive squares in 2 ways, for example, as 3655169764 + 1457941489 = 60458^2 + 38183^2 .

It is a cyclic number.

It is not a de Polignac number, because 5113111253 - 2¹⁰ = 5113110229 is a prime.

It is a super-2 number, since 2×5113111253² = 52287813371110460018, 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 (5113113253) 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, 321998 + ... + 337503.

It is an arithmetic number, because the mean of its divisors is an integer number (1278444627).

Almost surely, 2^5113111253 is an apocalyptic number.

It is an amenable number.

5113111253 is a deficient number, since it is larger than the sum of its proper divisors (667255).

5113111253 is an equidigital number, since it uses as much as digits as its factorization.

5113111253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667254.

The product of its digits is 450, while the sum is 23.

The square root of 5113111253 is about 71506.0224946123. The cubic root of 5113111253 is about 1722.7744178261.

Adding to 5113111253 its reverse (3521113115), we get a palindrome (8634224368).

The spelling of 5113111253 in words is "five billion, one hundred thirteen million, one hundred eleven thousand, two hundred fifty-three".