11133521454 has 48 divisors (see below), whose sum is σ = 24840756864. Its totient is φ = 3323424720.

The previous prime is 11133521449. The next prime is 11133521461. The reversal of 11133521454 is 45412533111.

11133521454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 65802 + ... + 163085.

It is an arithmetic number, because the mean of its divisors is an integer number (517515768).

Almost surely, 2^11133521454 is an apocalyptic number.

11133521454 is an abundant number, since it is smaller than the sum of its proper divisors (13707235410).

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

11133521454 is a wasteful number, since it uses less digits than its factorization.

11133521454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228981 (or 228970 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The spelling of 11133521454 in words is "eleven billion, one hundred thirty-three million, five hundred twenty-one thousand, four hundred fifty-four".