5181512841 has 64 divisors (see below), whose sum is σ = 8534937600. Its totient is φ = 3090117888.

The previous prime is 5181512839. The next prime is 5181512851. The reversal of 5181512841 is 1482151815.

5181512841 is a `hidden beast` number, since 518 + 15 + 128 + 4 + 1 = 666.

It is not a de Polignac number, because 5181512841 - 2¹ = 5181512839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5181512796 and 5181512805.

It is not an unprimeable number, because it can be changed into a prime (5181512851) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1761550 + ... + 1764488.

It is an arithmetic number, because the mean of its divisors is an integer number (133358400).

Almost surely, 2^5181512841 is an apocalyptic number.

5181512841 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5181512841 is a deficient number, since it is larger than the sum of its proper divisors (3353424759).

5181512841 is a wasteful number, since it uses less digits than its factorization.

5181512841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155 (or 3149 counting only the distinct ones).

The product of its digits is 12800, while the sum is 36.

The square root of 5181512841 is about 71982.7259903374. The cubic root of 5181512841 is about 1730.4226573765.

The spelling of 5181512841 in words is "five billion, one hundred eighty-one million, five hundred twelve thousand, eight hundred forty-one".