201545516522 has 16 divisors (see below), whose sum is σ = 345519328320. Its totient is φ = 86373467808.

The previous prime is 201545516449. The next prime is 201545516531. The reversal of 201545516522 is 225615545102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150929 + ... + 652587.

It is an arithmetic number, because the mean of its divisors is an integer number (21594958020).

Almost surely, 2^201545516522 is an apocalyptic number.

201545516522 is a deficient number, since it is larger than the sum of its proper divisors (143973811798).

201545516522 is a wasteful number, since it uses less digits than its factorization.

201545516522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530365.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 201545516522 in words is "two hundred one billion, five hundred forty-five million, five hundred sixteen thousand, five hundred twenty-two".