1078680635156 has 12 divisors (see below), whose sum is σ = 1998731765268. Its totient is φ = 507614416512.

The previous prime is 1078680635147. The next prime is 1078680635203. The reversal of 1078680635156 is 6515360868701.

It can be written as a sum of positive squares in 2 ways, for example, as 417207479056 + 661473156100 = 645916^2 + 813310^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7931475191 + ... + 7931475326.

It is an arithmetic number, because the mean of its divisors is an integer number (166560980439).

Almost surely, 2^{1078680635156} is an apocalyptic number.

It is an amenable number.

1078680635156 is a deficient number, since it is larger than the sum of its proper divisors (920051130112).

1078680635156 is a wasteful number, since it uses less digits than its factorization.

1078680635156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15862950538 (or 15862950536 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 1078680635156 in words is "one trillion, seventy-eight billion, six hundred eighty million, six hundred thirty-five thousand, one hundred fifty-six".