518601289141 has 4 divisors (see below), whose sum is σ = 558493696012. Its totient is φ = 478708882272.

The previous prime is 518601289127. The next prime is 518601289187. The reversal of 518601289141 is 141982106815.

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 268786254916 + 249815034225 = 518446^2 + 499815^2 .

It is a cyclic number.

It is not a de Polignac number, because 518601289141 - 2¹⁹ = 518600764853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 518601289091 and 518601289100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518601284141) 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, 19946203416 + ... + 19946203441.

It is an arithmetic number, because the mean of its divisors is an integer number (139623424003).

Almost surely, 2^518601289141 is an apocalyptic number.

It is an amenable number.

518601289141 is a deficient number, since it is larger than the sum of its proper divisors (39892406871).

518601289141 is a wasteful number, since it uses less digits than its factorization.

518601289141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39892406870.

The product of its (nonzero) digits is 138240, while the sum is 46.

The spelling of 518601289141 in words is "five hundred eighteen billion, six hundred one million, two hundred eighty-nine thousand, one hundred forty-one".