105555011 has 2 divisors, whose sum is σ = 105555012. Its totient is φ = 105555010.

The previous prime is 105554987. The next prime is 105555017. The reversal of 105555011 is 110555501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105555011 - 2⁶ = 105554947 is a prime.

It is a super-2 number, since 2×105555011² = 22283720694420242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105555017) 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, 52777505 + 52777506.

It is an arithmetic number, because the mean of its divisors is an integer number (52777506).

Almost surely, 2^105555011 is an apocalyptic number.

105555011 is a deficient number, since it is larger than the sum of its proper divisors (1).

105555011 is an equidigital number, since it uses as much as digits as its factorization.

105555011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 105555011 is about 10273.9968366746. The cubic root of 105555011 is about 472.5991669650.

The spelling of 105555011 in words is "one hundred five million, five hundred fifty-five thousand, eleven".