5113129455729 has 63 divisors (see below), whose sum is σ = 7761540175729. Its totient is φ = 3366870598080.

The previous prime is 5113129455727. The next prime is 5113129455739. The reversal of 5113129455729 is 9275549213115.

The square root of 5113129455729 is 2261223.

It is a perfect power (a square), and thus also a powerful number.

5113129455729 is a `hidden beast` number, since 5 + 1 + 1 + 3 + 1 + 29 + 45 + 572 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 223281765729 + 4889847690000 = 472527^2 + 2211300^2 .

It is not a de Polignac number, because 5113129455729 - 2¹ = 5113129455727 is a prime.

It is a super-2 number, since 2×5113129455729² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5113129455727) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 5433718399 + ... + 5433719339.

Almost surely, 2^{5113129455729} is an apocalyptic number.

5113129455729 is the 2261223-rd square number.

5113129455729 is the 1130612-nd centered octagonal number.

It is an amenable number.

5113129455729 is a deficient number, since it is larger than the sum of its proper divisors (2648410720000).

5113129455729 is an frugal number, since it uses more digits than its factorization.

5113129455729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078 (or 1033 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 54.

The spelling of 5113129455729 in words is "five trillion, one hundred thirteen billion, one hundred twenty-nine million, four hundred fifty-five thousand, seven hundred twenty-nine".