108297558991 has 2 divisors, whose sum is σ = 108297558992. Its totient is φ = 108297558990.

The previous prime is 108297558989. The next prime is 108297558997. The reversal of 108297558991 is 199855792801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108297558991 - 2¹ = 108297558989 is a prime.

It is a super-2 number, since 2×108297558991² (a number of 23 digits) contains 22 as substring.

Together with 108297558989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108297558997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54148779495 + 54148779496.

It is an arithmetic number, because the mean of its divisors is an integer number (54148779496).

Almost surely, 2^108297558991 is an apocalyptic number.

108297558991 is a deficient number, since it is larger than the sum of its proper divisors (1).

108297558991 is an equidigital number, since it uses as much as digits as its factorization.

108297558991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16329600, while the sum is 64.

The spelling of 108297558991 in words is "one hundred eight billion, two hundred ninety-seven million, five hundred fifty-eight thousand, nine hundred ninety-one".