17120553872 has 10 divisors (see below), whose sum is σ = 33171073158. Its totient is φ = 8560276928.

The previous prime is 17120553787. The next prime is 17120553887. The reversal of 17120553872 is 27835502171.

It can be written as a sum of positive squares in only one way, i.e., 16901040016 + 219513856 = 130004^2 + 14816^2 .

It is a super-2 number, since 2×17120553872² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535017293 + ... + 535017324.

Almost surely, 2^17120553872 is an apocalyptic number.

It is an amenable number.

17120553872 is a deficient number, since it is larger than the sum of its proper divisors (16050519286).

17120553872 is a wasteful number, since it uses less digits than its factorization.

17120553872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070034625 (or 1070034619 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 17120553872 in words is "seventeen billion, one hundred twenty million, five hundred fifty-three thousand, eight hundred seventy-two".