17114125921 has 2 divisors, whose sum is σ = 17114125922. Its totient is φ = 17114125920.

The previous prime is 17114125909. The next prime is 17114125927. The reversal of 17114125921 is 12952141171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15101706321 + 2012419600 = 122889^2 + 44860^2 .

It is a cyclic number.

It is not a de Polignac number, because 17114125921 - 2⁷ = 17114125793 is a prime.

It is not a weakly prime, because it can be changed into another prime (17114125927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8557062960 + 8557062961.

It is an arithmetic number, because the mean of its divisors is an integer number (8557062961).

Almost surely, 2^17114125921 is an apocalyptic number.

It is an amenable number.

17114125921 is a deficient number, since it is larger than the sum of its proper divisors (1).

17114125921 is an equidigital number, since it uses as much as digits as its factorization.

17114125921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 34.

The spelling of 17114125921 in words is "seventeen billion, one hundred fourteen million, one hundred twenty-five thousand, nine hundred twenty-one".