201965187053 has 16 divisors (see below), whose sum is σ = 249532283520. Its totient is φ = 159569320896.

The previous prime is 201965187041. The next prime is 201965187101. The reversal of 201965187053 is 350781569102.

201965187053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 201965187053 - 2¹⁶ = 201965121517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201965186989 and 201965187007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201965387053) 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 15 ways as a sum of consecutive naturals, for example, 20515826 + ... + 20525667.

It is an arithmetic number, because the mean of its divisors is an integer number (15595767720).

Almost surely, 2^201965187053 is an apocalyptic number.

It is an amenable number.

201965187053 is a deficient number, since it is larger than the sum of its proper divisors (47567096467).

201965187053 is a wasteful number, since it uses less digits than its factorization.

201965187053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41041556.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 201965187053 in words is "two hundred one billion, nine hundred sixty-five million, one hundred eighty-seven thousand, fifty-three".