1118281930020 has 48 divisors (see below), whose sum is σ = 3479099339520. Its totient is φ = 298208514528.

The previous prime is 1118281929967. The next prime is 1118281930069. The reversal of 1118281930020 is 200391828111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1035445692 + ... + 1035446771.

It is an arithmetic number, because the mean of its divisors is an integer number (72481236240).

Almost surely, 2^{1118281930020} is an apocalyptic number.

1118281930020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1118281930020 is an abundant number, since it is smaller than the sum of its proper divisors (2360817409500).

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

1118281930020 is a wasteful number, since it uses less digits than its factorization.

1118281930020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070892481 (or 2070892473 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The spelling of 1118281930020 in words is "one trillion, one hundred eighteen billion, two hundred eighty-one million, nine hundred thirty thousand, twenty".