1172283398056 has 16 divisors (see below), whose sum is σ = 2218573722240. Its totient is φ = 580663738800.

The previous prime is 1172283397991. The next prime is 1172283398063. The reversal of 1172283398056 is 6508933822711.

It is a junction number, because it is equal to n+sod(n) for n = 1172283397988 and 1172283398006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684744120 + ... + 684745831.

It is an arithmetic number, because the mean of its divisors is an integer number (138660857640).

Almost surely, 2^{1172283398056} is an apocalyptic number.

It is an amenable number.

1172283398056 is a deficient number, since it is larger than the sum of its proper divisors (1046290324184).

1172283398056 is a wasteful number, since it uses less digits than its factorization.

1172283398056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369490064 (or 1369490060 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 1172283398056 in words is "one trillion, one hundred seventy-two billion, two hundred eighty-three million, three hundred ninety-eight thousand, fifty-six".