11662544022012 has 36 divisors (see below), whose sum is σ = 31748036505640. Its totient is φ = 3588475083552.

The previous prime is 11662544022007. The next prime is 11662544022029. The reversal of 11662544022012 is 21022044526611.

11662544022012 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 2 + 5 + 440 + 2 + 201 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12459982462 + ... + 12459983397.

Almost surely, 2^{11662544022012} is an apocalyptic number.

11662544022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11662544022012 is an abundant number, since it is smaller than the sum of its proper divisors (20085492483628).

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

11662544022012 is a wasteful number, since it uses less digits than its factorization.

11662544022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24919965882 (or 24919965877 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 11662544022012 its reverse (21022044526611), we get a palindrome (32684588548623).

The spelling of 11662544022012 in words is "eleven trillion, six hundred sixty-two billion, five hundred forty-four million, twenty-two thousand, twelve".