108104517881 has 2 divisors, whose sum is σ = 108104517882. Its totient is φ = 108104517880.

The previous prime is 108104517869. The next prime is 108104517931. The reversal of 108104517881 is 188715401801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91748410000 + 16356107881 = 302900^2 + 127891^2 .

It is a cyclic number.

It is not a de Polignac number, because 108104517881 - 2¹⁴ = 108104501497 is a prime.

It is a super-2 number, since 2×108104517881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108154517881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54052258940 + 54052258941.

It is an arithmetic number, because the mean of its divisors is an integer number (54052258941).

Almost surely, 2^108104517881 is an apocalyptic number.

It is an amenable number.

108104517881 is a deficient number, since it is larger than the sum of its proper divisors (1).

108104517881 is an equidigital number, since it uses as much as digits as its factorization.

108104517881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 44.

The spelling of 108104517881 in words is "one hundred eight billion, one hundred four million, five hundred seventeen thousand, eight hundred eighty-one".