17278591012 has 24 divisors (see below), whose sum is σ = 30889240704. Its totient is φ = 8453193312.

The previous prime is 17278590997. The next prime is 17278591069. The reversal of 17278591012 is 21019587271.

It is a self number, because there is not a number n which added to its sum of digits gives 17278591012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839023 + ... + 859369.

It is an arithmetic number, because the mean of its divisors is an integer number (1287051696).

Almost surely, 2^17278591012 is an apocalyptic number.

It is an amenable number.

17278591012 is a deficient number, since it is larger than the sum of its proper divisors (13610649692).

17278591012 is a wasteful number, since it uses less digits than its factorization.

17278591012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24915 (or 24913 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 43.

The spelling of 17278591012 in words is "seventeen billion, two hundred seventy-eight million, five hundred ninety-one thousand, twelve".