105482878661 has 2 divisors, whose sum is σ = 105482878662. Its totient is φ = 105482878660.

The previous prime is 105482878591. The next prime is 105482878673. The reversal of 105482878661 is 166878284501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92845746436 + 12637132225 = 304706^2 + 112415^2 .

It is a cyclic number.

It is not a de Polignac number, because 105482878661 - 2¹⁸ = 105482616517 is a prime.

It is a super-2 number, since 2×105482878661² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105482878597 and 105482878606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105481878661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52741439330 + 52741439331.

It is an arithmetic number, because the mean of its divisors is an integer number (52741439331).

Almost surely, 2^105482878661 is an apocalyptic number.

It is an amenable number.

105482878661 is a deficient number, since it is larger than the sum of its proper divisors (1).

105482878661 is an equidigital number, since it uses as much as digits as its factorization.

105482878661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 105482878661 in words is "one hundred five billion, four hundred eighty-two million, eight hundred seventy-eight thousand, six hundred sixty-one".