105955811 has 4 divisors (see below), whose sum is σ = 114106272. Its totient is φ = 97805352.

The previous prime is 105955807. The next prime is 105955819. The reversal of 105955811 is 118559501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105955811 - 2² = 105955807 is a prime.

It is a super-2 number, since 2×105955811² = 22453267769335442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105955819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4075211 + ... + 4075236.

It is an arithmetic number, because the mean of its divisors is an integer number (28526568).

Almost surely, 2^105955811 is an apocalyptic number.

105955811 is a deficient number, since it is larger than the sum of its proper divisors (8150461).

105955811 is an equidigital number, since it uses as much as digits as its factorization.

105955811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8150460.

The product of its (nonzero) digits is 9000, while the sum is 35.

The square root of 105955811 is about 10293.4839097363. The cubic root of 105955811 is about 473.1965758564.

The spelling of 105955811 in words is "one hundred five million, nine hundred fifty-five thousand, eight hundred eleven".