1206081678055 has 4 divisors (see below), whose sum is σ = 1447298013672. Its totient is φ = 964865342440.

The previous prime is 1206081678047. The next prime is 1206081678127. The reversal of 1206081678055 is 5508761806021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1206081678055 - 2³ = 1206081678047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 120608167801 + ... + 120608167810.

It is an arithmetic number, because the mean of its divisors is an integer number (361824503418).

Almost surely, 2^{1206081678055} is an apocalyptic number.

1206081678055 is a deficient number, since it is larger than the sum of its proper divisors (241216335617).

1206081678055 is an equidigital number, since it uses as much as digits as its factorization.

1206081678055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241216335616.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 1206081678055 in words is "one trillion, two hundred six billion, eighty-one million, six hundred seventy-eight thousand, fifty-five".