11427065855778 has 32 divisors (see below), whose sum is σ = 23323638994560. Its totient is φ = 3731454155520.

The previous prime is 11427065855743. The next prime is 11427065855783. The reversal of 11427065855778 is 87755856072411.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85360183 + ... + 85493946.

It is an arithmetic number, because the mean of its divisors is an integer number (728863718580).

Almost surely, 2^{11427065855778} is an apocalyptic number.

11427065855778 is an abundant number, since it is smaller than the sum of its proper divisors (11896573138782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11427065855778 is a wasteful number, since it uses less digits than its factorization.

11427065855778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170854362.

The product of its (nonzero) digits is 131712000, while the sum is 66.

The spelling of 11427065855778 in words is "eleven trillion, four hundred twenty-seven billion, sixty-five million, eight hundred fifty-five thousand, seven hundred seventy-eight".