11171457307828 has 12 divisors (see below), whose sum is σ = 19555922961540. Its totient is φ = 5584050747392.

The previous prime is 11171457307819. The next prime is 11171457307831. The reversal of 11171457307828 is 82870375417111.

It can be written as a sum of positive squares in 2 ways, for example, as 1714245541264 + 9457211766564 = 1309292^2 + 3075258^2 .

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, 419461651 + ... + 419488282.

It is an arithmetic number, because the mean of its divisors is an integer number (1629660246795).

Almost surely, 2^{11171457307828} is an apocalyptic number.

It is an amenable number.

11171457307828 is a deficient number, since it is larger than the sum of its proper divisors (8384465653712).

11171457307828 is a wasteful number, since it uses less digits than its factorization.

11171457307828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838953266 (or 838953264 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 55.

The spelling of 11171457307828 in words is "eleven trillion, one hundred seventy-one billion, four hundred fifty-seven million, three hundred seven thousand, eight hundred twenty-eight".