108849018881 has 2 divisors, whose sum is σ = 108849018882. Its totient is φ = 108849018880.

The previous prime is 108849018877. The next prime is 108849018899. The reversal of 108849018881 is 188810948801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64254138256 + 44594880625 = 253484^2 + 211175^2 .

It is a cyclic number.

It is not a de Polignac number, because 108849018881 - 2² = 108849018877 is a prime.

It is a super-2 number, since 2×108849018881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108849018581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54424509440 + 54424509441.

It is an arithmetic number, because the mean of its divisors is an integer number (54424509441).

Almost surely, 2^108849018881 is an apocalyptic number.

It is an amenable number.

108849018881 is a deficient number, since it is larger than the sum of its proper divisors (1).

108849018881 is an equidigital number, since it uses as much as digits as its factorization.

108849018881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1179648, while the sum is 56.

The spelling of 108849018881 in words is "one hundred eight billion, eight hundred forty-nine million, eighteen thousand, eight hundred eighty-one".