201144140015 has 32 divisors (see below), whose sum is σ = 312709931520. Its totient is φ = 120616677504.

The previous prime is 201144140011. The next prime is 201144140023. The reversal of 201144140015 is 510041441102.

It is a cyclic number.

It is not a de Polignac number, because 201144140015 - 2² = 201144140011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201144140011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11624909 + ... + 11642198.

It is an arithmetic number, because the mean of its divisors is an integer number (9772185360).

Almost surely, 2^201144140015 is an apocalyptic number.

201144140015 is a deficient number, since it is larger than the sum of its proper divisors (111565791505).

201144140015 is a wasteful number, since it uses less digits than its factorization.

201144140015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23267151.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 201144140015 its reverse (510041441102), we get a palindrome (711185581117).

The spelling of 201144140015 in words is "two hundred one billion, one hundred forty-four million, one hundred forty thousand, fifteen".