52113565412 has 6 divisors (see below), whose sum is σ = 91198739478. Its totient is φ = 26056782704.

The previous prime is 52113565381. The next prime is 52113565451. The reversal of 52113565412 is 21456531125.

It can be written as a sum of positive squares in only one way, i.e., 50437973056 + 1675592356 = 224584^2 + 40934^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6514195673 + ... + 6514195680.

It is an arithmetic number, because the mean of its divisors is an integer number (15199789913).

Almost surely, 2^52113565412 is an apocalyptic number.

It is an amenable number.

52113565412 is a deficient number, since it is larger than the sum of its proper divisors (39085174066).

52113565412 is a wasteful number, since it uses less digits than its factorization.

52113565412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13028391357 (or 13028391355 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The spelling of 52113565412 in words is "fifty-two billion, one hundred thirteen million, five hundred sixty-five thousand, four hundred twelve".