1180778353768 has 16 divisors (see below), whose sum is σ = 2384263983780. Its totient is φ = 544974624768.

The previous prime is 1180778353751. The next prime is 1180778353787. The reversal of 1180778353768 is 8673538770811.

It can be written as a sum of positive squares in 2 ways, for example, as 1176743309284 + 4035044484 = 1084778^2 + 63522^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5676818905 + ... + 5676819112.

Almost surely, 2^{1180778353768} is an apocalyptic number.

It is an amenable number.

1180778353768 is an abundant number, since it is smaller than the sum of its proper divisors (1203485630012).

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

1180778353768 is a wasteful number, since it uses less digits than its factorization.

1180778353768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11353638036 (or 11353638032 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 64.

The spelling of 1180778353768 in words is "one trillion, one hundred eighty billion, seven hundred seventy-eight million, three hundred fifty-three thousand, seven hundred sixty-eight".