105611651 has 2 divisors, whose sum is σ = 105611652. Its totient is φ = 105611650.

The previous prime is 105611641. The next prime is 105611663. The reversal of 105611651 is 156116501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105611651 - 2⁶ = 105611587 is a prime.

It is a super-2 number, since 2×105611651² = 22307641653891602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105611651.

It is not a weakly prime, because it can be changed into another prime (105611621) 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, 52805825 + 52805826.

It is an arithmetic number, because the mean of its divisors is an integer number (52805826).

Almost surely, 2^105611651 is an apocalyptic number.

105611651 is a deficient number, since it is larger than the sum of its proper divisors (1).

105611651 is an equidigital number, since it uses as much as digits as its factorization.

105611651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 105611651 is about 10276.7529404963. The cubic root of 105611651 is about 472.6836828655.

The spelling of 105611651 in words is "one hundred five million, six hundred eleven thousand, six hundred fifty-one".