17117057950 has 24 divisors (see below), whose sum is σ = 31964594760. Its totient is φ = 6819540000.

The previous prime is 17117057911. The next prime is 17117057963. The reversal of 17117057950 is 5975071171.

It is a junction number, because it is equal to n+sod(n) for n = 17117057897 and 17117057906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 669405 + ... + 694504.

It is an arithmetic number, because the mean of its divisors is an integer number (1331858115).

Almost surely, 2^17117057950 is an apocalyptic number.

17117057950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17117057950 is a deficient number, since it is larger than the sum of its proper divisors (14847536810).

17117057950 is a wasteful number, since it uses less digits than its factorization.

17117057950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364172 (or 1364167 counting only the distinct ones).

The product of its (nonzero) digits is 77175, while the sum is 43.

The spelling of 17117057950 in words is "seventeen billion, one hundred seventeen million, fifty-seven thousand, nine hundred fifty".