201500387002788 has 12 divisors (see below), whose sum is σ = 470167569673200. Its totient is φ = 67166795667592.

The previous prime is 201500387002711. The next prime is 201500387002819. The reversal of 201500387002788 is 887200783005102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 201500387002788.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8395849458438 + ... + 8395849458461.

It is an arithmetic number, because the mean of its divisors is an integer number (39180630806100).

Almost surely, 2^{201500387002788} is an apocalyptic number.

It is an amenable number.

201500387002788 is an abundant number, since it is smaller than the sum of its proper divisors (268667182670412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201500387002788 is a wasteful number, since it uses less digits than its factorization.

201500387002788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16791698916906 (or 16791698916904 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 201500387002788 in words is "two hundred one trillion, five hundred billion, three hundred eighty-seven million, two thousand, seven hundred eighty-eight".