15001015001 has 16 divisors (see below), whose sum is σ = 17323588608. Its totient is φ = 12723480000.

The previous prime is 15001014923. The next prime is 15001015009. The reversal of 15001015001 is 10051010051.

It is not a de Polignac number, because 15001015001 - 2²² = 14996820697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15001015009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1510151 + ... + 1520051.

It is an arithmetic number, because the mean of its divisors is an integer number (1082724288).

Almost surely, 2^15001015001 is an apocalyptic number.

It is an amenable number.

15001015001 is a deficient number, since it is larger than the sum of its proper divisors (2322573607).

15001015001 is a wasteful number, since it uses less digits than its factorization.

15001015001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12152.

The product of its (nonzero) digits is 25, while the sum is 14.

Adding to 15001015001 its reverse (10051010051), we get a palindrome (25052025052).

The spelling of 15001015001 in words is "fifteen billion, one million, fifteen thousand, one".