15530455325 has 24 divisors (see below), whose sum is σ = 24009683520. Its totient is φ = 9681321600.

The previous prime is 15530455273. The next prime is 15530455427. The reversal of 15530455325 is 52355403551.

It is not a de Polignac number, because 15530455325 - 2⁶ = 15530455261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4031960 + ... + 4035809.

It is an arithmetic number, because the mean of its divisors is an integer number (1000403480).

Almost surely, 2^15530455325 is an apocalyptic number.

It is an amenable number.

15530455325 is a deficient number, since it is larger than the sum of its proper divisors (8479228195).

15530455325 is a wasteful number, since it uses less digits than its factorization.

15530455325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8067797 (or 8067792 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 38.

Adding to 15530455325 its reverse (52355403551), we get a palindrome (67885858876).

The spelling of 15530455325 in words is "fifteen billion, five hundred thirty million, four hundred fifty-five thousand, three hundred twenty-five".