201133810651 has 4 divisors (see below), whose sum is σ = 202913755992. Its totient is φ = 199353865312.

The previous prime is 201133810643. The next prime is 201133810667. The reversal of 201133810651 is 156018331102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201133810651 - 2³ = 201133810643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201133810751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889972501 + ... + 889972726.

It is an arithmetic number, because the mean of its divisors is an integer number (50728438998).

Almost surely, 2^201133810651 is an apocalyptic number.

201133810651 is a deficient number, since it is larger than the sum of its proper divisors (1779945341).

201133810651 is a wasteful number, since it uses less digits than its factorization.

201133810651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779945340.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 201133810651 in words is "two hundred one billion, one hundred thirty-three million, eight hundred ten thousand, six hundred fifty-one".