15530112426 has 32 divisors (see below), whose sum is σ = 31264092288. Its totient is φ = 5142804800.

The previous prime is 15530112413. The next prime is 15530112431. The reversal of 15530112426 is 62421103551.

It is a junction number, because it is equal to n+sod(n) for n = 15530112393 and 15530112402.

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, 819211 + ... + 837953.

It is an arithmetic number, because the mean of its divisors is an integer number (977002884).

Almost surely, 2^15530112426 is an apocalyptic number.

15530112426 is an abundant number, since it is smaller than the sum of its proper divisors (15733979862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15530112426 is a wasteful number, since it uses less digits than its factorization.

15530112426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19646.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 15530112426 its reverse (62421103551), we get a palindrome (77951215977).

The spelling of 15530112426 in words is "fifteen billion, five hundred thirty million, one hundred twelve thousand, four hundred twenty-six".