105610311011 has 4 divisors (see below), whose sum is σ = 106110834024. Its totient is φ = 105109788000.

The previous prime is 105610310947. The next prime is 105610311017. The reversal of 105610311011 is 110113016501.

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

It is a cyclic number.

It is not a de Polignac number, because 105610311011 - 2⁶ = 105610310947 is a prime.

It is a super-2 number, since 2×105610311011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105610311017) 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, 250261190 + ... + 250261611.

It is an arithmetic number, because the mean of its divisors is an integer number (26527708506).

Almost surely, 2^105610311011 is an apocalyptic number.

105610311011 is a deficient number, since it is larger than the sum of its proper divisors (500523013).

105610311011 is an equidigital number, since it uses as much as digits as its factorization.

105610311011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500523012.

The product of its (nonzero) digits is 90, while the sum is 20.

Adding to 105610311011 its reverse (110113016501), we get a palindrome (215723327512).

The spelling of 105610311011 in words is "one hundred five billion, six hundred ten million, three hundred eleven thousand, eleven".