105612011 has 2 divisors, whose sum is σ = 105612012. Its totient is φ = 105612010.

The previous prime is 105611983. The next prime is 105612043. The reversal of 105612011 is 110216501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105612011 is a prime.

It is a super-2 number, since 2×105612011² = 22307793734928242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105612511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52806005 + 52806006.

It is an arithmetic number, because the mean of its divisors is an integer number (52806006).

Almost surely, 2^105612011 is an apocalyptic number.

105612011 is a deficient number, since it is larger than the sum of its proper divisors (1).

105612011 is an equidigital number, since it uses as much as digits as its factorization.

105612011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 105612011 is about 10276.7704557414. The cubic root of 105612011 is about 472.6842199462.

Adding to 105612011 its reverse (110216501), we get a palindrome (215828512).

The spelling of 105612011 in words is "one hundred five million, six hundred twelve thousand, eleven".