1078371536868 has 36 divisors (see below), whose sum is σ = 2750891723580. Its totient is φ = 356159405376.

The previous prime is 1078371536857. The next prime is 1078371536873. The reversal of 1078371536868 is 8686351738701.

1078371536868 is a `hidden beast` number, since 1 + 0 + 7 + 8 + 37 + 1 + 536 + 8 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 729466311744 + 348905225124 = 854088^2 + 590682^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137403255 + ... + 137411102.

Almost surely, 2^{1078371536868} is an apocalyptic number.

1078371536868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1078371536868 is an abundant number, since it is smaller than the sum of its proper divisors (1672520186712).

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

1078371536868 is a wasteful number, since it uses less digits than its factorization.

1078371536868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274814476 (or 274814471 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 1078371536868 in words is "one trillion, seventy-eight billion, three hundred seventy-one million, five hundred thirty-six thousand, eight hundred sixty-eight".