52051305105 has 20 divisors (see below), whose sum is σ = 93306784692. Its totient is φ = 27760695840.

The previous prime is 52051305091. The next prime is 52051305133. The reversal of 52051305105 is 50150315025.

52051305105 is a `hidden beast` number, since 520 + 5 + 1 + 30 + 5 + 105 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19897077249 + 32154227856 = 141057^2 + 179316^2 .

It is not a de Polignac number, because 52051305105 - 2¹² = 52051301009 is a prime.

It is a super-2 number, since 2×52051305105² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64260466 + ... + 64261275.

Almost surely, 2^52051305105 is an apocalyptic number.

It is an amenable number.

52051305105 is a deficient number, since it is larger than the sum of its proper divisors (41255479587).

52051305105 is a wasteful number, since it uses less digits than its factorization.

52051305105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128521758 (or 128521749 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 52051305105 in words is "fifty-two billion, fifty-one million, three hundred five thousand, one hundred five".