105947646011 has 2 divisors, whose sum is σ = 105947646012. Its totient is φ = 105947646010.

The previous prime is 105947645989. The next prime is 105947646019. The reversal of 105947646011 is 110646749501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105947646011 is a prime.

It is a super-2 number, since 2×105947646011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105947646019) 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 as a sum of consecutive naturals, namely, 52973823005 + 52973823006.

It is an arithmetic number, because the mean of its divisors is an integer number (52973823006).

Almost surely, 2^105947646011 is an apocalyptic number.

105947646011 is a deficient number, since it is larger than the sum of its proper divisors (1).

105947646011 is an equidigital number, since it uses as much as digits as its factorization.

105947646011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 105947646011 in words is "one hundred five billion, nine hundred forty-seven million, six hundred forty-six thousand, eleven".