1099485261101 has 2 divisors, whose sum is σ = 1099485261102. Its totient is φ = 1099485261100.

The previous prime is 1099485261071. The next prime is 1099485261151. The reversal of 1099485261101 is 1011625849901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 745580440900 + 353904820201 = 863470^2 + 594899^2 .

It is a cyclic number.

It is not a de Polignac number, because 1099485261101 - 2²⁶ = 1099418152237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1099485261151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549742630550 + 549742630551.

It is an arithmetic number, because the mean of its divisors is an integer number (549742630551).

Almost surely, 2^{1099485261101} is an apocalyptic number.

It is an amenable number.

1099485261101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099485261101 is an equidigital number, since it uses as much as digits as its factorization.

1099485261101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 47.

The spelling of 1099485261101 in words is "one trillion, ninety-nine billion, four hundred eighty-five million, two hundred sixty-one thousand, one hundred one".