201504205005001 has 4 divisors (see below), whose sum is σ = 201514627835332. Its totient is φ = 201493782174672.

The previous prime is 201504205004959. The next prime is 201504205005017. The reversal of 201504205005001 is 100500502405102.

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 142923244412601 + 58580960592400 = 11955051^2 + 7653820^2 .

It is a cyclic number.

It is not a de Polignac number, because 201504205005001 - 2⁹ = 201504205004489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201504205005091) 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, 5211386166 + ... + 5211424831.

It is an arithmetic number, because the mean of its divisors is an integer number (50378656958833).

Almost surely, 2^{201504205005001} is an apocalyptic number.

It is an amenable number.

201504205005001 is a deficient number, since it is larger than the sum of its proper divisors (10422830331).

201504205005001 is a wasteful number, since it uses less digits than its factorization.

201504205005001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10422830330.

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 201504205005001 in words is "two hundred one trillion, five hundred four billion, two hundred five million, five thousand, one".