106549111 has 2 divisors, whose sum is σ = 106549112. Its totient is φ = 106549110.

The previous prime is 106549067. The next prime is 106549123. The reversal of 106549111 is 111945601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106549111 - 2¹⁵ = 106516343 is a prime.

It is a super-2 number, since 2×106549111² = 22705426109780642, 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 106549111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106549151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53274555 + 53274556.

It is an arithmetic number, because the mean of its divisors is an integer number (53274556).

Almost surely, 2^106549111 is an apocalyptic number.

106549111 is a deficient number, since it is larger than the sum of its proper divisors (1).

106549111 is an equidigital number, since it uses as much as digits as its factorization.

106549111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 106549111 is about 10322.2628817522. The cubic root of 106549111 is about 474.0781544888.

It can be divided in two parts, 1065 and 49111, that added together give a square (50176 = 224²).

The spelling of 106549111 in words is "one hundred six million, five hundred forty-nine thousand, one hundred eleven".