15104300021 has 4 divisors (see below), whose sum is σ = 15899263200. Its totient is φ = 14309336844.

The previous prime is 15104299997. The next prime is 15104300033. The reversal of 15104300021 is 12000340151.

15104300021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 15104300021 - 2²² = 15100105717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15104300041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397481561 + ... + 397481598.

It is an arithmetic number, because the mean of its divisors is an integer number (3974815800).

Almost surely, 2^15104300021 is an apocalyptic number.

It is an amenable number.

15104300021 is a deficient number, since it is larger than the sum of its proper divisors (794963179).

15104300021 is an equidigital number, since it uses as much as digits as its factorization.

15104300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794963178.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 15104300021 its reverse (12000340151), we get a palindrome (27104640172).

The spelling of 15104300021 in words is "fifteen billion, one hundred four million, three hundred thousand, twenty-one".