17120272651 has 2 divisors, whose sum is σ = 17120272652. Its totient is φ = 17120272650.

The previous prime is 17120272643. The next prime is 17120272657. The reversal of 17120272651 is 15627202171.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17120272651 - 2³ = 17120272643 is a prime.

It is not a weakly prime, because it can be changed into another prime (17120272657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8560136325 + 8560136326.

It is an arithmetic number, because the mean of its divisors is an integer number (8560136326).

Almost surely, 2^17120272651 is an apocalyptic number.

17120272651 is a deficient number, since it is larger than the sum of its proper divisors (1).

17120272651 is an equidigital number, since it uses as much as digits as its factorization.

17120272651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 17120272651 in words is "seventeen billion, one hundred twenty million, two hundred seventy-two thousand, six hundred fifty-one".