1177081017628 has 12 divisors (see below), whose sum is σ = 2060376149160. Its totient is φ = 588402117872.

The previous prime is 1177081017589. The next prime is 1177081017659. The reversal of 1177081017628 is 8267101807711.

It is a happy number.

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, 34578598 + ... + 34612621.

It is an arithmetic number, because the mean of its divisors is an integer number (171698012430).

Almost surely, 2^{1177081017628} is an apocalyptic number.

It is an amenable number.

1177081017628 is a deficient number, since it is larger than the sum of its proper divisors (883295131532).

1177081017628 is a wasteful number, since it uses less digits than its factorization.

1177081017628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69195476 (or 69195474 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 49.

The spelling of 1177081017628 in words is "one trillion, one hundred seventy-seven billion, eighty-one million, seventeen thousand, six hundred twenty-eight".