105656851 has 2 divisors, whose sum is σ = 105656852. Its totient is φ = 105656850.

The previous prime is 105656849. The next prime is 105656899. The reversal of 105656851 is 158656501.

It is a weak prime.

It is an emirp because it is prime and its reverse (158656501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105656851 - 2¹ = 105656849 is a prime.

It is a super-2 number, since 2×105656851² = 22326740326472402, which contains 22 as substring.

Together with 105656849, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 105656851.

It is not a weakly prime, because it can be changed into another prime (105656821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52828425 + 52828426.

It is an arithmetic number, because the mean of its divisors is an integer number (52828426).

Almost surely, 2^105656851 is an apocalyptic number.

105656851 is a deficient number, since it is larger than the sum of its proper divisors (1).

105656851 is an equidigital number, since it uses as much as digits as its factorization.

105656851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 105656851 is about 10278.9518434517. The cubic root of 105656851 is about 472.7511067876.

The spelling of 105656851 in words is "one hundred five million, six hundred fifty-six thousand, eight hundred fifty-one".