17099717712 has 80 divisors (see below), whose sum is σ = 55074427392. Its totient is φ = 4441484160.

The previous prime is 17099717711. The next prime is 17099717729. The reversal of 17099717712 is 21771799071.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17099717711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2309578 + ... + 2316969.

Almost surely, 2^17099717712 is an apocalyptic number.

17099717712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17099717712 is an abundant number, since it is smaller than the sum of its proper divisors (37974709680).

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

17099717712 is a wasteful number, since it uses less digits than its factorization.

17099717712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626576 (or 4626570 counting only the distinct ones).

The product of its (nonzero) digits is 388962, while the sum is 51.

The spelling of 17099717712 in words is "seventeen billion, ninety-nine million, seven hundred seventeen thousand, seven hundred twelve".