518261471201 has 4 divisors (see below), whose sum is σ = 521364833472. Its totient is φ = 515158108932.

The previous prime is 518261471197. The next prime is 518261471219. The reversal of 518261471201 is 102174162815.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 518261471201 - 2² = 518261471197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (518261471401) 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, 1551680885 + ... + 1551681218.

It is an arithmetic number, because the mean of its divisors is an integer number (130341208368).

Almost surely, 2^518261471201 is an apocalyptic number.

It is an amenable number.

518261471201 is a deficient number, since it is larger than the sum of its proper divisors (3103362271).

518261471201 is a wasteful number, since it uses less digits than its factorization.

518261471201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103362270.

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 518261471201 in words is "five hundred eighteen billion, two hundred sixty-one million, four hundred seventy-one thousand, two hundred one".