516310605021055 has 16 divisors (see below), whose sum is σ = 672325541816544. Its totient is φ = 378365023520640.

The previous prime is 516310605021017. The next prime is 516310605021083. The reversal of 516310605021055 is 550120506013615.

It is a happy number.

It is not a de Polignac number, because 516310605021055 - 2⁹ = 516310605020543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516310605020999 and 516310605021017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30317701704 + ... + 30317718733.

It is an arithmetic number, because the mean of its divisors is an integer number (42020346363534).

Almost surely, 2^{516310605021055} is an apocalyptic number.

516310605021055 is a deficient number, since it is larger than the sum of its proper divisors (156014936795489).

516310605021055 is a wasteful number, since it uses less digits than its factorization.

516310605021055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60635420586.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 516310605021055 in words is "five hundred sixteen trillion, three hundred ten billion, six hundred five million, twenty-one thousand, fifty-five".