165011115101 has 8 divisors (see below), whose sum is σ = 188600983104. Its totient is φ = 141425460000.

The previous prime is 165011115091. The next prime is 165011115121. The reversal of 165011115101 is 101511110561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165011115101 - 2⁶ = 165011115037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165011115121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968840 + ... + 1126353.

It is an arithmetic number, because the mean of its divisors is an integer number (23575122888).

Almost surely, 2^165011115101 is an apocalyptic number.

It is an amenable number.

165011115101 is a deficient number, since it is larger than the sum of its proper divisors (23589868003).

165011115101 is a wasteful number, since it uses less digits than its factorization.

165011115101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106451.

The product of its (nonzero) digits is 150, while the sum is 23.

Adding to 165011115101 its reverse (101511110561), we get a palindrome (266522225662).

The spelling of 165011115101 in words is "one hundred sixty-five billion, eleven million, one hundred fifteen thousand, one hundred one".