1005500105611 has 2 divisors, whose sum is σ = 1005500105612. Its totient is φ = 1005500105610.

The previous prime is 1005500105609. The next prime is 1005500105627. The reversal of 1005500105611 is 1165010055001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1005500105611 - 2¹ = 1005500105609 is a prime.

It is a super-2 number, since 2×1005500105611² (a number of 25 digits) contains 22 as substring.

Together with 1005500105609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1005500115611) 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, 502750052805 + 502750052806.

It is an arithmetic number, because the mean of its divisors is an integer number (502750052806).

Almost surely, 2^{1005500105611} is an apocalyptic number.

1005500105611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005500105611 is an equidigital number, since it uses as much as digits as its factorization.

1005500105611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 25.

It can be divided in two parts, 1005500 and 105611, that added together give a palindrome (1111111).

The spelling of 1005500105611 in words is "one trillion, five billion, five hundred million, one hundred five thousand, six hundred eleven".