165001510011 has 16 divisors (see below), whose sum is σ = 239924303360. Its totient is φ = 100254080160.

The previous prime is 165001510001. The next prime is 165001510013. The reversal of 165001510011 is 110015100561.

It is a happy number.

It is not a de Polignac number, because 165001510011 - 2⁵ = 165001509979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165001510011.

It is not an unprimeable number, because it can be changed into a prime (165001510013) 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 15 ways as a sum of consecutive naturals, for example, 26774185 + ... + 26780346.

It is an arithmetic number, because the mean of its divisors is an integer number (14995268960).

Almost surely, 2^165001510011 is an apocalyptic number.

165001510011 is a deficient number, since it is larger than the sum of its proper divisors (74922793349).

165001510011 is a wasteful number, since it uses less digits than its factorization.

165001510011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53554626.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 165001510011 its reverse (110015100561), we get a palindrome (275016610572).

The spelling of 165001510011 in words is "one hundred sixty-five billion, one million, five hundred ten thousand, eleven".