17112694997 has 2 divisors, whose sum is σ = 17112694998. Its totient is φ = 17112694996.

The previous prime is 17112694981. The next prime is 17112695063. The reversal of 17112694997 is 79949621171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10858890436 + 6253804561 = 104206^2 + 79081^2 .

It is a cyclic number.

It is not a de Polignac number, because 17112694997 - 2⁴ = 17112694981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17112694897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8556347498 + 8556347499.

It is an arithmetic number, because the mean of its divisors is an integer number (8556347499).

Almost surely, 2^17112694997 is an apocalyptic number.

It is an amenable number.

17112694997 is a deficient number, since it is larger than the sum of its proper divisors (1).

17112694997 is an equidigital number, since it uses as much as digits as its factorization.

17112694997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 56.

The spelling of 17112694997 in words is "seventeen billion, one hundred twelve million, six hundred ninety-four thousand, nine hundred ninety-seven".