1118729290000 has 225 divisors, whose sum is σ = 3152855225091. Its totient is φ = 383310480000.

The previous prime is 1118729289989. The next prime is 1118729290027. The reversal of 1118729290000 is 929278111.

The square root of 1118729290000 is 1057700.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 87708376336 + 1031020913664 = 296156^2 + 1015392^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 740389245 + ... + 740390755.

Almost surely, 2^{1118729290000} is an apocalyptic number.

1118729290000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1118729290000 is the 1057700-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118729290000

1118729290000 is an abundant number, since it is smaller than the sum of its proper divisors (2034125935091).

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

1118729290000 is an frugal number, since it uses more digits than its factorization.

1118729290000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064 (or 1525 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 1118729290000 in words is "one trillion, one hundred eighteen billion, seven hundred twenty-nine million, two hundred ninety thousand".