52001266645 has 16 divisors (see below), whose sum is σ = 62532343152. Its totient is φ = 41513886720.

The previous prime is 52001266637. The next prime is 52001266747. The reversal of 52001266645 is 54666210025.

52001266645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 16554167569 + 35447099076 = 128663^2 + 188274^2 .

It is not a de Polignac number, because 52001266645 - 2³ = 52001266637 is a prime.

It is a Duffinian number.

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, 5936589 + ... + 5945341.

It is an arithmetic number, because the mean of its divisors is an integer number (3908271447).

Almost surely, 2^52001266645 is an apocalyptic number.

It is an amenable number.

52001266645 is a deficient number, since it is larger than the sum of its proper divisors (10531076507).

52001266645 is a wasteful number, since it uses less digits than its factorization.

52001266645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 52001266645 in words is "fifty-two billion, one million, two hundred sixty-six thousand, six hundred forty-five".