201178040587 has 8 divisors (see below), whose sum is σ = 204104401200. Its totient is φ = 198272809344.

The previous prime is 201178040561. The next prime is 201178040593. The reversal of 201178040587 is 785040871102.

201178040587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201178040587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201178940587) 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 7 ways as a sum of consecutive naturals, for example, 5263162 + ... + 5301247.

It is an arithmetic number, because the mean of its divisors is an integer number (25513050150).

Almost surely, 2^201178040587 is an apocalyptic number.

201178040587 is a deficient number, since it is larger than the sum of its proper divisors (2926360613).

201178040587 is a wasteful number, since it uses less digits than its factorization.

201178040587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10564685.

The product of its (nonzero) digits is 125440, while the sum is 43.

The spelling of 201178040587 in words is "two hundred one billion, one hundred seventy-eight million, forty thousand, five hundred eighty-seven".