52005819198901 has 4 divisors (see below), whose sum is σ = 52145244988012. Its totient is φ = 51866393409792.

The previous prime is 52005819198869. The next prime is 52005819198919. The reversal of 52005819198901 is 10989191850025.

52005819198901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30009963078225 + 21995856120676 = 5478135^2 + 4689974^2 .

It is a cyclic number.

It is not a de Polignac number, because 52005819198901 - 2⁵ = 52005819198869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52005819198601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69712893996 + ... + 69712894741.

It is an arithmetic number, because the mean of its divisors is an integer number (13036311247003).

Almost surely, 2^{52005819198901} is an apocalyptic number.

It is an amenable number.

52005819198901 is a deficient number, since it is larger than the sum of its proper divisors (139425789111).

52005819198901 is a wasteful number, since it uses less digits than its factorization.

52005819198901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139425789110.

The product of its (nonzero) digits is 2332800, while the sum is 58.

The spelling of 52005819198901 in words is "fifty-two trillion, five billion, eight hundred nineteen million, one hundred ninety-eight thousand, nine hundred one".