11211104063520 has 144 divisors (see below), whose sum is σ = 38262302514072. Its totient is φ = 2989283143680.

The previous prime is 11211104063513. The next prime is 11211104063521. The reversal of 11211104063520 is 2536040111211.

11211104063520 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 1 + 1 + 0 + 4 + 0 + 635 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7151153098896 + 4059950964624 = 2674164^2 + 2014932^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (11211104063521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12171514 + ... + 13060166.

Almost surely, 2^{11211104063520} is an apocalyptic number.

11211104063520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211104063520 is an abundant number, since it is smaller than the sum of its proper divisors (27051198450552).

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

11211104063520 is a wasteful number, since it uses less digits than its factorization.

11211104063520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897435 (or 897424 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 11211104063520 its reverse (2536040111211), we get a palindrome (13747144174731).

The spelling of 11211104063520 in words is "eleven trillion, two hundred eleven billion, one hundred four million, sixty-three thousand, five hundred twenty".