15428855968 has 12 divisors (see below), whose sum is σ = 30375560250. Its totient is φ = 7714427968.

The previous prime is 15428855951. The next prime is 15428855989. The reversal of 15428855968 is 86955882451.

It can be written as a sum of positive squares in only one way, i.e., 14628418704 + 800437264 = 120948^2 + 28292^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241075843 + ... + 241075906.

Almost surely, 2^15428855968 is an apocalyptic number.

It is an amenable number.

15428855968 is a deficient number, since it is larger than the sum of its proper divisors (14946704282).

15428855968 is an equidigital number, since it uses as much as digits as its factorization.

15428855968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482151759 (or 482151751 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 61.

The spelling of 15428855968 in words is "fifteen billion, four hundred twenty-eight million, eight hundred fifty-five thousand, nine hundred sixty-eight".