15504004325 has 12 divisors (see below), whose sum is σ = 19252102980. Its totient is φ = 12385695360.

The previous prime is 15504004297. The next prime is 15504004349. The reversal of 15504004325 is 52340040551.

15504004325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3663517729 + 11840486596 = 60527^2 + 108814^2 .

It is not a de Polignac number, because 15504004325 - 2¹⁰ = 15504003301 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 419624 + ... + 455073.

It is an arithmetic number, because the mean of its divisors is an integer number (1604341915).

Almost surely, 2^15504004325 is an apocalyptic number.

It is an amenable number.

15504004325 is a deficient number, since it is larger than the sum of its proper divisors (3748098655).

15504004325 is an equidigital number, since it uses as much as digits as its factorization.

15504004325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875416 (or 875411 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 15504004325 its reverse (52340040551), we get a palindrome (67844044876).

The spelling of 15504004325 in words is "fifteen billion, five hundred four million, four thousand, three hundred twenty-five".