105541885 has 4 divisors (see below), whose sum is σ = 126650268. Its totient is φ = 84433504.

The previous prime is 105541873. The next prime is 105541897. The reversal of 105541885 is 588145501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588145501 = 9239 ⋅63659.

It is an interprime number because it is at equal distance from previous prime (105541873) and next prime (105541897).

It can be written as a sum of positive squares in 2 ways, for example, as 16088121 + 89453764 = 4011^2 + 9458^2 .

It is a cyclic number.

It is not a de Polignac number, because 105541885 - 2¹⁷ = 105410813 is a prime.

It is a super-2 number, since 2×105541885² = 22278178978706450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10554184 + ... + 10554193.

It is an arithmetic number, because the mean of its divisors is an integer number (31662567).

Almost surely, 2^105541885 is an apocalyptic number.

It is an amenable number.

105541885 is a deficient number, since it is larger than the sum of its proper divisors (21108383).

105541885 is an equidigital number, since it uses as much as digits as its factorization.

105541885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21108382.

The product of its (nonzero) digits is 32000, while the sum is 37.

The square root of 105541885 is about 10273.3580196545. The cubic root of 105541885 is about 472.5795765677.

The spelling of 105541885 in words is "one hundred five million, five hundred forty-one thousand, eight hundred eighty-five".