106005555 has 24 divisors (see below), whose sum is σ = 188711952. Its totient is φ = 55007424.

The previous prime is 106005521. The next prime is 106005589. The reversal of 106005555 is 555500601.

106005555 is a `hidden beast` number, since 1 + 0 + 600 + 5 + 5 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (106005521) and next prime (106005589).

It is not a de Polignac number, because 106005555 - 2⁸ = 106005299 is a prime.

It is a super-2 number, since 2×106005555² = 22474355381716050, which contains 22 as substring.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 30169 + ... + 33498.

It is an arithmetic number, because the mean of its divisors is an integer number (7862998).

Almost surely, 2^106005555 is an apocalyptic number.

106005555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106005555 is a deficient number, since it is larger than the sum of its proper divisors (82706397).

106005555 is a wasteful number, since it uses less digits than its factorization.

106005555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63715 (or 63712 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 106005555 is about 10295.8999121009. The cubic root of 106005555 is about 473.2706161806.

The spelling of 106005555 in words is "one hundred six million, five thousand, five hundred fifty-five".