105354312011 has 4 divisors (see below), whose sum is σ = 113458489872. Its totient is φ = 97250134152.

The previous prime is 105354311981. The next prime is 105354312017. The reversal of 105354312011 is 110213453501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110213453501 = 19 ⋅5800708079.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105354312011 is a prime.

It is a super-2 number, since 2×105354312011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105354312017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4052088911 + ... + 4052088936.

It is an arithmetic number, because the mean of its divisors is an integer number (28364622468).

Almost surely, 2^105354312011 is an apocalyptic number.

105354312011 is a deficient number, since it is larger than the sum of its proper divisors (8104177861).

105354312011 is an equidigital number, since it uses as much as digits as its factorization.

105354312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104177860.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 105354312011 its reverse (110213453501), we get a palindrome (215567765512).

The spelling of 105354312011 in words is "one hundred five billion, three hundred fifty-four million, three hundred twelve thousand, eleven".