105361811 has 4 divisors (see below), whose sum is σ = 105526824. Its totient is φ = 105196800.

The previous prime is 105361771. The next prime is 105361813. The reversal of 105361811 is 118163501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105361811 is a prime.

It is a super-2 number, since 2×105361811² = 22202222434399442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105361813) 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, 81545 + ... + 82826.

It is an arithmetic number, because the mean of its divisors is an integer number (26381706).

Almost surely, 2^105361811 is an apocalyptic number.

105361811 is a deficient number, since it is larger than the sum of its proper divisors (165013).

105361811 is an equidigital number, since it uses as much as digits as its factorization.

105361811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165012.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 105361811 is about 10264.5901525585. The cubic root of 105361811 is about 472.3106541426.

The spelling of 105361811 in words is "one hundred five million, three hundred sixty-one thousand, eight hundred eleven".