15599905068 has 48 divisors (see below), whose sum is σ = 40301541504. Its totient is φ = 4656685440.

The previous prime is 15599905051. The next prime is 15599905073. The reversal of 15599905068 is 86050999551.

15599905068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15599905068² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15599904999 and 15599905017.

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 15 ways as a sum of consecutive naturals, for example, 873105 + ... + 890792.

It is an arithmetic number, because the mean of its divisors is an integer number (839615448).

Almost surely, 2^15599905068 is an apocalyptic number.

It is an amenable number.

15599905068 is an abundant number, since it is smaller than the sum of its proper divisors (24701636436).

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

15599905068 is a wasteful number, since it uses less digits than its factorization.

15599905068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763982 (or 1763980 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 57.

The spelling of 15599905068 in words is "fifteen billion, five hundred ninety-nine million, nine hundred five thousand, sixty-eight".