170881224113 has 2 divisors, whose sum is σ = 170881224114. Its totient is φ = 170881224112.

The previous prime is 170881224089. The next prime is 170881224127. The reversal of 170881224113 is 311422188071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141581370529 + 29299853584 = 376273^2 + 171172^2 .

It is a cyclic number.

It is not a de Polignac number, because 170881224113 - 2⁶ = 170881224049 is a prime.

It is not a weakly prime, because it can be changed into another prime (170881224313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85440612056 + 85440612057.

It is an arithmetic number, because the mean of its divisors is an integer number (85440612057).

Almost surely, 2^170881224113 is an apocalyptic number.

It is an amenable number.

170881224113 is a deficient number, since it is larger than the sum of its proper divisors (1).

170881224113 is an equidigital number, since it uses as much as digits as its factorization.

170881224113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 38.

The spelling of 170881224113 in words is "one hundred seventy billion, eight hundred eighty-one million, two hundred twenty-four thousand, one hundred thirteen".