201251164151 has 4 divisors (see below), whose sum is σ = 201273462600. Its totient is φ = 201228865704.

The previous prime is 201251164033. The next prime is 201251164207. The reversal of 201251164151 is 151461152102.

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 201251164151 - 2¹⁴ = 201251147767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201251164451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11135681 + ... + 11153738.

It is an arithmetic number, because the mean of its divisors is an integer number (50318365650).

Almost surely, 2^201251164151 is an apocalyptic number.

201251164151 is a deficient number, since it is larger than the sum of its proper divisors (22298449).

201251164151 is an equidigital number, since it uses as much as digits as its factorization.

201251164151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22298448.

The product of its (nonzero) digits is 2400, while the sum is 29.

The spelling of 201251164151 in words is "two hundred one billion, two hundred fifty-one million, one hundred sixty-four thousand, one hundred fifty-one".