1118036492556 has 72 divisors (see below), whose sum is σ = 2773090272960. Its totient is φ = 350523936864.

The previous prime is 1118036492549. The next prime is 1118036492567. The reversal of 1118036492556 is 6552946308111.

It is a junction number, because it is equal to n+sod(n) for n = 1118036492499 and 1118036492508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326226 + ... + 1530521.

It is an arithmetic number, because the mean of its divisors is an integer number (38515142680).

Almost surely, 2^{1118036492556} is an apocalyptic number.

It is an amenable number.

1118036492556 is an abundant number, since it is smaller than the sum of its proper divisors (1655053780404).

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

1118036492556 is a wasteful number, since it uses less digits than its factorization.

1118036492556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856931 (or 1856910 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 1118036492556 in words is "one trillion, one hundred eighteen billion, thirty-six million, four hundred ninety-two thousand, five hundred fifty-six".