52111566243 has 16 divisors (see below), whose sum is σ = 84220713600. Its totient is φ = 31582767240.

The previous prime is 52111566203. The next prime is 52111566271. The reversal of 52111566243 is 34266511125.

52111566243 is a `hidden beast` number, since 5 + 2 + 11 + 15 + 6 + 624 + 3 = 666.

It is not a de Polignac number, because 52111566243 - 2¹⁴ = 52111549859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52111566198 and 52111566207.

It is not an unprimeable number, because it can be changed into a prime (52111566203) 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, 87729613 + ... + 87730206.

It is an arithmetic number, because the mean of its divisors is an integer number (5263794600).

Almost surely, 2^52111566243 is an apocalyptic number.

52111566243 is a deficient number, since it is larger than the sum of its proper divisors (32109147357).

52111566243 is a wasteful number, since it uses less digits than its factorization.

52111566243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175459839 (or 175459833 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The spelling of 52111566243 in words is "fifty-two billion, one hundred eleven million, five hundred sixty-six thousand, two hundred forty-three".