15015000001 has 16 divisors (see below), whose sum is σ = 15953800320. Its totient is φ = 14100894720.

The previous prime is 15014999977. The next prime is 15015000031. The reversal of 15015000001 is 10000051051.

It is a cyclic number.

It is not a de Polignac number, because 15015000001 - 2⁵ = 15014999969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15015000031) 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, 780385 + ... + 799393.

It is an arithmetic number, because the mean of its divisors is an integer number (997112520).

Almost surely, 2^15015000001 is an apocalyptic number.

It is an amenable number.

15015000001 is a deficient number, since it is larger than the sum of its proper divisors (938800319).

15015000001 is a wasteful number, since it uses less digits than its factorization.

15015000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19656.

The product of its (nonzero) digits is 25, while the sum is 13.

Adding to 15015000001 its reverse (10000051051), we get a palindrome (25015051052).

The spelling of 15015000001 in words is "fifteen billion, fifteen million, one", and thus it is an aban number and an uban number.