11120263521 has 8 divisors (see below), whose sum is σ = 15030128160. Its totient is φ = 7311953952.

The previous prime is 11120263507. The next prime is 11120263571. The reversal of 11120263521 is 12536202111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11120263521 - 2⁷ = 11120263393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11120263491 and 11120263500.

It is not an unprimeable number, because it can be changed into a prime (11120263571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25388511 + ... + 25388948.

It is an arithmetic number, because the mean of its divisors is an integer number (1878766020).

Almost surely, 2^11120263521 is an apocalyptic number.

It is an amenable number.

11120263521 is a deficient number, since it is larger than the sum of its proper divisors (3909864639).

11120263521 is an equidigital number, since it uses as much as digits as its factorization.

11120263521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50777535.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 11120263521 its reverse (12536202111), we get a palindrome (23656465632).

The spelling of 11120263521 in words is "eleven billion, one hundred twenty million, two hundred sixty-three thousand, five hundred twenty-one".