1084909261811 has 2 divisors, whose sum is σ = 1084909261812. Its totient is φ = 1084909261810.

The previous prime is 1084909261747. The next prime is 1084909261831. The reversal of 1084909261811 is 1181629094801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1084909261811 - 2⁶ = 1084909261747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1084909261811.

It is not a weakly prime, because it can be changed into another prime (1084909261831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542454630905 + 542454630906.

It is an arithmetic number, because the mean of its divisors is an integer number (542454630906).

Almost surely, 2^{1084909261811} is an apocalyptic number.

1084909261811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084909261811 is an equidigital number, since it uses as much as digits as its factorization.

1084909261811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 50.

The spelling of 1084909261811 in words is "one trillion, eighty-four billion, nine hundred nine million, two hundred sixty-one thousand, eight hundred eleven".