15001003001 has 4 divisors (see below), whose sum is σ = 15001717632. Its totient is φ = 15000288372.

The previous prime is 15001002979. The next prime is 15001003009. The reversal of 15001003001 is 10030010051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15001003001 is a prime.

It is a super-2 number, since 2×15001003001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15001003009) 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 3 ways as a sum of consecutive naturals, for example, 324845 + ... + 368138.

It is an arithmetic number, because the mean of its divisors is an integer number (3750429408).

Almost surely, 2^15001003001 is an apocalyptic number.

It is an amenable number.

15001003001 is a deficient number, since it is larger than the sum of its proper divisors (714631).

15001003001 is an equidigital number, since it uses as much as digits as its factorization.

15001003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714630.

The product of its (nonzero) digits is 15, while the sum is 11.

Adding to 15001003001 its reverse (10030010051), we get a palindrome (25031013052).

The spelling of 15001003001 in words is "fifteen billion, one million, three thousand, one".