201015694636 has 6 divisors (see below), whose sum is σ = 351777465620. Its totient is φ = 100507847316.

The previous prime is 201015694603. The next prime is 201015694643. The reversal of 201015694636 is 636496510102.

201015694636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201015694592 and 201015694601.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25126961826 + ... + 25126961833.

Almost surely, 2^201015694636 is an apocalyptic number.

It is an amenable number.

201015694636 is a deficient number, since it is larger than the sum of its proper divisors (150761770984).

201015694636 is a wasteful number, since it uses less digits than its factorization.

201015694636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50253923663 (or 50253923661 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 201015694636 in words is "two hundred one billion, fifteen million, six hundred ninety-four thousand, six hundred thirty-six".