15013002003 has 16 divisors (see below), whose sum is σ = 20244906240. Its totient is φ = 9895202784.

The previous prime is 15013001989. The next prime is 15013002023. The reversal of 15013002003 is 30020031051.

It is a happy number.

It is not a de Polignac number, because 15013002003 - 2⁴ = 15013001987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15013002023) 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, 149788 + ... + 229046.

It is an arithmetic number, because the mean of its divisors is an integer number (1265306640).

Almost surely, 2^15013002003 is an apocalyptic number.

15013002003 is a deficient number, since it is larger than the sum of its proper divisors (5231904237).

15013002003 is a wasteful number, since it uses less digits than its factorization.

15013002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79978.

The product of its (nonzero) digits is 90, while the sum is 15.

Adding to 15013002003 its reverse (30020031051), we get a palindrome (45033033054).

The spelling of 15013002003 in words is "fifteen billion, thirteen million, two thousand, three".