17127120553 has 2 divisors, whose sum is σ = 17127120554. Its totient is φ = 17127120552.

The previous prime is 17127120539. The next prime is 17127120599. The reversal of 17127120553 is 35502172171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15813565504 + 1313555049 = 125752^2 + 36243^2 .

It is a cyclic number.

It is not a de Polignac number, because 17127120553 - 2⁹ = 17127120041 is a prime.

It is not a weakly prime, because it can be changed into another prime (17127120533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8563560276 + 8563560277.

It is an arithmetic number, because the mean of its divisors is an integer number (8563560277).

Almost surely, 2^17127120553 is an apocalyptic number.

It is an amenable number.

17127120553 is a deficient number, since it is larger than the sum of its proper divisors (1).

17127120553 is an equidigital number, since it uses as much as digits as its factorization.

17127120553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 34.

The spelling of 17127120553 in words is "seventeen billion, one hundred twenty-seven million, one hundred twenty thousand, five hundred fifty-three".