1118555974530 has 48 divisors (see below), whose sum is σ = 2909877048000. Its totient is φ = 298114258464.

The previous prime is 1118555974507. The next prime is 1118555974553. The reversal of 1118555974530 is 354795558111.

1118555974530 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 5 + 5 + 597 + 45 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1118555974507) and next prime (1118555974553).

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 23 ways as a sum of consecutive naturals, for example, 3324780 + ... + 3645719.

It is an arithmetic number, because the mean of its divisors is an integer number (60622438500).

Almost surely, 2^{1118555974530} is an apocalyptic number.

1118555974530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1118555974530 is an abundant number, since it is smaller than the sum of its proper divisors (1791321073470).

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

1118555974530 is a wasteful number, since it uses less digits than its factorization.

1118555974530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6972295 (or 6972292 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 54.

The spelling of 1118555974530 in words is "one trillion, one hundred eighteen billion, five hundred fifty-five million, nine hundred seventy-four thousand, five hundred thirty".