105450440881 has 2 divisors, whose sum is σ = 105450440882. Its totient is φ = 105450440880.

The previous prime is 105450440831. The next prime is 105450440891. The reversal of 105450440881 is 188044054501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62387550625 + 43062890256 = 249775^2 + 207516^2 .

It is a cyclic number.

It is not a de Polignac number, because 105450440881 - 2³³ = 96860506289 is a prime.

It is a super-2 number, since 2×105450440881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105450440831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52725220440 + 52725220441.

It is an arithmetic number, because the mean of its divisors is an integer number (52725220441).

Almost surely, 2^105450440881 is an apocalyptic number.

It is an amenable number.

105450440881 is a deficient number, since it is larger than the sum of its proper divisors (1).

105450440881 is an equidigital number, since it uses as much as digits as its factorization.

105450440881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102400, while the sum is 40.

The spelling of 105450440881 in words is "one hundred five billion, four hundred fifty million, four hundred forty thousand, eight hundred eighty-one".