15525332642 has 48 divisors (see below), whose sum is σ = 25218585600. Its totient is φ = 7159501440.

The previous prime is 15525332623. The next prime is 15525332677. The reversal of 15525332642 is 24623352551.

15525332642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15525332596 and 15525332605.

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 23 ways as a sum of consecutive naturals, for example, 4117334 + ... + 4121102.

It is an arithmetic number, because the mean of its divisors is an integer number (525387200).

Almost surely, 2^15525332642 is an apocalyptic number.

15525332642 is a deficient number, since it is larger than the sum of its proper divisors (9693252958).

15525332642 is a wasteful number, since it uses less digits than its factorization.

15525332642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939 (or 3910 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

The spelling of 15525332642 in words is "fifteen billion, five hundred twenty-five million, three hundred thirty-two thousand, six hundred forty-two".