988011089617 has 2 divisors, whose sum is σ = 988011089618. Its totient is φ = 988011089616.

The previous prime is 988011089609. The next prime is 988011089627. The reversal of 988011089617 is 716980110889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 931348524096 + 56662565521 = 965064^2 + 238039^2 .

It is a cyclic number.

It is not a de Polignac number, because 988011089617 - 2³ = 988011089609 is a prime.

It is not a weakly prime, because it can be changed into another prime (988011089627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494005544808 + 494005544809.

It is an arithmetic number, because the mean of its divisors is an integer number (494005544809).

Almost surely, 2^988011089617 is an apocalyptic number.

It is an amenable number.

988011089617 is a deficient number, since it is larger than the sum of its proper divisors (1).

988011089617 is an equidigital number, since it uses as much as digits as its factorization.

988011089617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 58.

The spelling of 988011089617 in words is "nine hundred eighty-eight billion, eleven million, eighty-nine thousand, six hundred seventeen".