15530112424 has 16 divisors (see below), whose sum is σ = 29222591220. Its totient is φ = 7737421440.

The previous prime is 15530112413. The next prime is 15530112431. The reversal of 15530112424 is 42421103551.

It can be written as a sum of positive squares in 2 ways, for example, as 14524588324 + 1005524100 = 120518^2 + 31710^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15530112392 and 15530112401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3451959 + ... + 3456454.

Almost surely, 2^15530112424 is an apocalyptic number.

It is an amenable number.

15530112424 is a deficient number, since it is larger than the sum of its proper divisors (13692478796).

15530112424 is a wasteful number, since it uses less digits than its factorization.

15530112424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6908700 (or 6908696 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 15530112424 its reverse (42421103551), we get a palindrome (57951215975).

The spelling of 15530112424 in words is "fifteen billion, five hundred thirty million, one hundred twelve thousand, four hundred twenty-four".