2011986144000 has 432 divisors, whose sum is σ = 8273965976640. Its totient is φ = 459882086400.

The previous prime is 2011986143987. The next prime is 2011986144019. The reversal of 2011986144000 is 4416891102.

2011986144000 is a `hidden beast` number, since 2 + 0 + 1 + 198 + 61 + 4 + 400 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 1516996 + ... + 2515004.

It is an arithmetic number, because the mean of its divisors is an integer number (19152699020).

Almost surely, 2^{2011986144000} is an apocalyptic number.

2011986144000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011986144000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4136982988320).

2011986144000 is an abundant number, since it is smaller than the sum of its proper divisors (6261979832640).

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

2011986144000 is an equidigital number, since it uses as much as digits as its factorization.

2011986144000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998053 (or 998026 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 2011986144000 in words is "two trillion, eleven billion, nine hundred eighty-six million, one hundred forty-four thousand".