165142015011 has 48 divisors (see below), whose sum is σ = 251506038784. Its totient is φ = 104284418112.

The previous prime is 165142014997. The next prime is 165142015013. The reversal of 165142015011 is 110510241561.

165142015011 is a `hidden beast` number, since 1 + 651 + 4 + 2 + 0 + 1 + 5 + 0 + 1 + 1 = 666.

165142015011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165142015011 - 2⁷ = 165142014883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165142015013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4377150 + ... + 4414716.

Almost surely, 2^165142015011 is an apocalyptic number.

165142015011 is a deficient number, since it is larger than the sum of its proper divisors (86364023773).

165142015011 is a wasteful number, since it uses less digits than its factorization.

165142015011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37960 (or 37957 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 165142015011 its reverse (110510241561), we get a palindrome (275652256572).

The spelling of 165142015011 in words is "one hundred sixty-five billion, one hundred forty-two million, fifteen thousand, eleven".