11001000400052 has 48 divisors (see below), whose sum is σ = 21361183719120. Its totient is φ = 4925612110848.

The previous prime is 11001000400001. The next prime is 11001000400063. The reversal of 11001000400052 is 25000400010011.

It can be written as a sum of positive squares in 8 ways, for example, as 969819222436 + 10031181177616 = 984794^2 + 3167204^2 .

It is a congruent number.

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, 22179743 + ... + 22670310.

It is an arithmetic number, because the mean of its divisors is an integer number (445024660815).

Almost surely, 2^{11001000400052} is an apocalyptic number.

It is an amenable number.

11001000400052 is a deficient number, since it is larger than the sum of its proper divisors (10360183319068).

11001000400052 is a wasteful number, since it uses less digits than its factorization.

11001000400052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44850212 (or 44850210 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 11001000400052 its reverse (25000400010011), we get a palindrome (36001400410063).

The spelling of 11001000400052 in words is "eleven trillion, one billion, four hundred thousand, fifty-two".