11121253436 has 24 divisors (see below), whose sum is σ = 19818010800. Its totient is φ = 5459885312.

The previous prime is 11121253427. The next prime is 11121253513. The reversal of 11121253436 is 63435212111.

11121253436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11121253399 and 11121253408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66611 + ... + 163338.

It is an arithmetic number, because the mean of its divisors is an integer number (825750450).

Almost surely, 2^11121253436 is an apocalyptic number.

It is an amenable number.

11121253436 is a deficient number, since it is larger than the sum of its proper divisors (8696757364).

11121253436 is a wasteful number, since it uses less digits than its factorization.

11121253436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230173 (or 230171 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

Adding to 11121253436 its reverse (63435212111), we get a palindrome (74556465547).

The spelling of 11121253436 in words is "eleven billion, one hundred twenty-one million, two hundred fifty-three thousand, four hundred thirty-six".