1120805578158 has 32 divisors (see below), whose sum is σ = 2573982769920. Its totient is φ = 318712484160.

The previous prime is 1120805578141. The next prime is 1120805578169. The reversal of 1120805578158 is 8518755080211.

It is a self number, because there is not a number n which added to its sum of digits gives 1120805578158.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63227743 + ... + 63245466.

It is an arithmetic number, because the mean of its divisors is an integer number (80436961560).

Almost surely, 2^{1120805578158} is an apocalyptic number.

1120805578158 is an abundant number, since it is smaller than the sum of its proper divisors (1453177191762).

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

1120805578158 is a wasteful number, since it uses less digits than its factorization.

1120805578158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126473432.

The product of its (nonzero) digits is 896000, while the sum is 51.

The spelling of 1120805578158 in words is "one trillion, one hundred twenty billion, eight hundred five million, five hundred seventy-eight thousand, one hundred fifty-eight".