1166055050020 has 48 divisors (see below), whose sum is σ = 2802209816448. Its totient is φ = 399264917760.

The previous prime is 1166055049963. The next prime is 1166055050057. The reversal of 1166055050020 is 200505506611.

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 15 ways as a sum of consecutive naturals, for example, 5365842 + ... + 5578921.

It is an arithmetic number, because the mean of its divisors is an integer number (58379371176).

Almost surely, 2^{1166055050020} is an apocalyptic number.

1166055050020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166055050020 is an abundant number, since it is smaller than the sum of its proper divisors (1636154766428).

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

1166055050020 is a wasteful number, since it uses less digits than its factorization.

1166055050020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10945540 (or 10945538 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 1166055050020 in words is "one trillion, one hundred sixty-six billion, fifty-five million, fifty thousand, twenty".