15005142003 has 4 divisors (see below), whose sum is σ = 20006856008. Its totient is φ = 10003428000.

The previous prime is 15005142001. The next prime is 15005142007. The reversal of 15005142003 is 30024150051.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15005142003 - 2¹ = 15005142001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15005142001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500856998 + ... + 2500857003.

It is an arithmetic number, because the mean of its divisors is an integer number (5001714002).

Almost surely, 2^15005142003 is an apocalyptic number.

15005142003 is a deficient number, since it is larger than the sum of its proper divisors (5001714005).

15005142003 is an equidigital number, since it uses as much as digits as its factorization.

15005142003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001714004.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 15005142003 its reverse (30024150051), we get a palindrome (45029292054).

The spelling of 15005142003 in words is "fifteen billion, five million, one hundred forty-two thousand, three".