105011005609481 has 2 divisors, whose sum is σ = 105011005609482. Its totient is φ = 105011005609480.

The previous prime is 105011005609423. The next prime is 105011005609613. The reversal of 105011005609481 is 184906500110501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104965045110025 + 45960499456 = 10245245^2 + 214384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105011005609481 is a prime.

It is a super-2 number, since 2×105011005609481² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (105011005609781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52505502804740 + 52505502804741.

It is an arithmetic number, because the mean of its divisors is an integer number (52505502804741).

Almost surely, 2^{105011005609481} is an apocalyptic number.

It is an amenable number.

105011005609481 is a deficient number, since it is larger than the sum of its proper divisors (1).

105011005609481 is an equidigital number, since it uses as much as digits as its factorization.

105011005609481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 41.

Adding to 105011005609481 its reverse (184906500110501), we get a palindrome (289917505719982).

The spelling of 105011005609481 in words is "one hundred five trillion, eleven billion, five million, six hundred nine thousand, four hundred eighty-one".