201501156532516 has 12 divisors (see below), whose sum is σ = 360129726569088. Its totient is φ = 98606948941352.

The previous prime is 201501156532499. The next prime is 201501156532537. The reversal of 201501156532516 is 615235651105102.

It is a happy number.

It is an unprimeable number.

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, 535907331016 + ... + 535907331391.

It is an arithmetic number, because the mean of its divisors is an integer number (30010810547424).

Almost surely, 2^{201501156532516} is an apocalyptic number.

It is an amenable number.

201501156532516 is a deficient number, since it is larger than the sum of its proper divisors (158628570036572).

201501156532516 is a wasteful number, since it uses less digits than its factorization.

201501156532516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071814662458 (or 1071814662456 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 43.

The spelling of 201501156532516 in words is "two hundred one trillion, five hundred one billion, one hundred fifty-six million, five hundred thirty-two thousand, five hundred sixteen".