5111254430505 has 12 divisors (see below), whose sum is σ = 8859507679620. Its totient is φ = 2726002362912.

The previous prime is 5111254430473. The next prime is 5111254430519. The reversal of 5111254430505 is 5050344521115.

5111254430505 is a `hidden beast` number, since 5 + 1 + 112 + 5 + 4 + 4 + 30 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2978451220761 + 2132803209744 = 1725819^2 + 1460412^2 .

It is not a de Polignac number, because 5111254430505 - 2⁵ = 5111254430473 is a prime.

It is a super-2 number, since 2×5111254430505² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5111254430505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56791715850 + ... + 56791715939.

It is an arithmetic number, because the mean of its divisors is an integer number (738292306635).

Almost surely, 2^{5111254430505} is an apocalyptic number.

It is an amenable number.

5111254430505 is a deficient number, since it is larger than the sum of its proper divisors (3748253249115).

5111254430505 is a wasteful number, since it uses less digits than its factorization.

5111254430505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113583431800 (or 113583431797 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 5111254430505 in words is "five trillion, one hundred eleven billion, two hundred fifty-four million, four hundred thirty thousand, five hundred five".