2011340220544 has 16 divisors (see below), whose sum is σ = 4006966845870. Its totient is φ = 1005670110208.

The previous prime is 2011340220473. The next prime is 2011340220583. The reversal of 2011340220544 is 4450220431102.

It can be written as a sum of positive squares in only one way, i.e., 1995755194944 + 15585025600 = 1412712^2 + 124840^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7856797609 + ... + 7856797864.

Almost surely, 2^{2011340220544} is an apocalyptic number.

It is an amenable number.

2011340220544 is a deficient number, since it is larger than the sum of its proper divisors (1995626625326).

2011340220544 is an equidigital number, since it uses as much as digits as its factorization.

2011340220544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15713595487 (or 15713595475 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 2011340220544 its reverse (4450220431102), we get a palindrome (6461560651646).

The spelling of 2011340220544 in words is "two trillion, eleven billion, three hundred forty million, two hundred twenty thousand, five hundred forty-four".