201015512 has 16 divisors (see below), whose sum is σ = 379218840. Its totient is φ = 99890496.

The previous prime is 201015509. The next prime is 201015527. The reversal of 201015512 is 215510102.

It is a congruent number.

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, 75773 + ... + 78380.

Almost surely, 2^201015512 is an apocalyptic number.

It is an amenable number.

201015512 is a deficient number, since it is larger than the sum of its proper divisors (178203328).

201015512 is a wasteful number, since it uses less digits than its factorization.

201015512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154322 (or 154318 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 201015512 is about 14177.9939342631. The cubic root of 201015512 is about 585.7916688105.

Adding to 201015512 its reverse (215510102), we get a palindrome (416525614).

The spelling of 201015512 in words is "two hundred one million, fifteen thousand, five hundred twelve".