15530230345 has 16 divisors (see below), whose sum is σ = 21319758720. Its totient is φ = 10638722304.

The previous prime is 15530230283. The next prime is 15530230421. The reversal of 15530230345 is 54303203551.

It is not a de Polignac number, because 15530230345 - 2⁹ = 15530229833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184567 + ... + 255196.

It is an arithmetic number, because the mean of its divisors is an integer number (1332484920).

Almost surely, 2^15530230345 is an apocalyptic number.

It is an amenable number.

15530230345 is a deficient number, since it is larger than the sum of its proper divisors (5789528375).

15530230345 is a wasteful number, since it uses less digits than its factorization.

15530230345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440784.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 15530230345 its reverse (54303203551), we get a palindrome (69833433896).

The spelling of 15530230345 in words is "fifteen billion, five hundred thirty million, two hundred thirty thousand, three hundred forty-five".