1118211862050 has 384 divisors, whose sum is σ = 3200982624000. Its totient is φ = 286841088000.

The previous prime is 1118211862039. The next prime is 1118211862067. The reversal of 1118211862050 is 502681128111.

1118211862050 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 21 + 1 + 8 + 620 + 5 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1118211861996 and 1118211862014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2066934780 + ... + 2066935320.

It is an arithmetic number, because the mean of its divisors is an integer number (8335892250).

Almost surely, 2^{1118211862050} is an apocalyptic number.

1118211862050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118211862050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600491312000).

1118211862050 is an abundant number, since it is smaller than the sum of its proper divisors (2082770761950).

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

1118211862050 is a wasteful number, since it uses less digits than its factorization.

1118211862050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 36.

The spelling of 1118211862050 in words is "one trillion, one hundred eighteen billion, two hundred eleven million, eight hundred sixty-two thousand, fifty".