52861745811 has 32 divisors (see below), whose sum is σ = 82585024000. Its totient is φ = 30063428640.

The previous prime is 52861745789. The next prime is 52861745851. The reversal of 52861745811 is 11854716825.

It is not a de Polignac number, because 52861745811 - 2¹⁰ = 52861744787 is a prime.

It is a super-3 number, since 3×52861745811³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52861745851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95385 + ... + 338853.

It is an arithmetic number, because the mean of its divisors is an integer number (2580782000).

Almost surely, 2^52861745811 is an apocalyptic number.

52861745811 is a deficient number, since it is larger than the sum of its proper divisors (29723278189).

52861745811 is a wasteful number, since it uses less digits than its factorization.

52861745811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243704 (or 243690 counting only the distinct ones).

The product of its digits is 537600, while the sum is 48.

The spelling of 52861745811 in words is "fifty-two billion, eight hundred sixty-one million, seven hundred forty-five thousand, eight hundred eleven".