201500200043 has 16 divisors (see below), whose sum is σ = 210782724096. Its totient is φ = 192407080320.

The previous prime is 201500200037. The next prime is 201500200067. The reversal of 201500200043 is 340002005102.

It is a cyclic number.

It is not a de Polignac number, because 201500200043 - 2¹² = 201500195947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201500199994 and 201500200030.

It is not an unprimeable number, because it can be changed into a prime (201500200073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652196 + ... + 910142.

It is an arithmetic number, because the mean of its divisors is an integer number (13173920256).

Almost surely, 2^201500200043 is an apocalyptic number.

201500200043 is a deficient number, since it is larger than the sum of its proper divisors (9282524053).

201500200043 is a wasteful number, since it uses less digits than its factorization.

201500200043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258314.

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 201500200043 its reverse (340002005102), we get a palindrome (541502205145).

The spelling of 201500200043 in words is "two hundred one billion, five hundred million, two hundred thousand, forty-three".