150015016505 has 8 divisors (see below), whose sum is σ = 180143651592. Its totient is φ = 119928258688.

The previous prime is 150015016469. The next prime is 150015016517. The reversal of 150015016505 is 505610510051.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 66681183529 + 83333832976 = 258227^2 + 288676^2 .

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 150015016505 - 2⁶ = 150015016441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10461434 + ... + 10475763.

It is an arithmetic number, because the mean of its divisors is an integer number (22517956449).

Almost surely, 2^150015016505 is an apocalyptic number.

It is an amenable number.

150015016505 is a deficient number, since it is larger than the sum of its proper divisors (30128635087).

150015016505 is a wasteful number, since it uses less digits than its factorization.

150015016505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20938635.

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 150015016505 its reverse (505610510051), we get a palindrome (655625526556).

The spelling of 150015016505 in words is "one hundred fifty billion, fifteen million, sixteen thousand, five hundred five".