518023688042311 has 16 divisors (see below), whose sum is σ = 574906469086368. Its totient is φ = 462786653347200.

The previous prime is 518023688042239. The next prime is 518023688042317. The reversal of 518023688042311 is 113240886320815.

It is a cyclic number.

It is not a de Polignac number, because 518023688042311 - 2²³ = 518023679653703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518023688042317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352431016 + ... + 353897821.

It is an arithmetic number, because the mean of its divisors is an integer number (35931654317898).

Almost surely, 2^{518023688042311} is an apocalyptic number.

518023688042311 is a deficient number, since it is larger than the sum of its proper divisors (56882781044057).

518023688042311 is a wasteful number, since it uses less digits than its factorization.

518023688042311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706330002.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 518023688042311 in words is "five hundred eighteen trillion, twenty-three billion, six hundred eighty-eight million, forty-two thousand, three hundred eleven".