1206078382655 has 32 divisors (see below), whose sum is σ = 1543315939200. Its totient is φ = 901663027200.

The previous prime is 1206078382643. The next prime is 1206078382693. The reversal of 1206078382655 is 5562838706021.

It is a Cunningham number, because it is equal to 1098216²-1.

It is not a de Polignac number, because 1206078382655 - 2²⁶ = 1206011273791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1206078382597 and 1206078382606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18637355 + ... + 18701955.

It is an arithmetic number, because the mean of its divisors is an integer number (48228623100).

Almost surely, 2^{1206078382655} is an apocalyptic number.

1206078382655 is a deficient number, since it is larger than the sum of its proper divisors (337237556545).

1206078382655 is a wasteful number, since it uses less digits than its factorization.

1206078382655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66179.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 1206078382655 in words is "one trillion, two hundred six billion, seventy-eight million, three hundred eighty-two thousand, six hundred fifty-five".