201479011528 has 16 divisors (see below), whose sum is σ = 377796403980. Its totient is φ = 100733303808.

The previous prime is 201479011423. The next prime is 201479011583. The reversal of 201479011528 is 825110974102.

It can be written as a sum of positive squares in 2 ways, for example, as 183048776964 + 18430234564 = 427842^2 + 135758^2 .

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, 635701 + ... + 898372.

Almost surely, 2^201479011528 is an apocalyptic number.

It is an amenable number.

201479011528 is a deficient number, since it is larger than the sum of its proper divisors (176317392452).

201479011528 is a wasteful number, since it uses less digits than its factorization.

201479011528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550496 (or 1550492 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 201479011528 in words is "two hundred one billion, four hundred seventy-nine million, eleven thousand, five hundred twenty-eight".