11522444454 has 32 divisors (see below), whose sum is σ = 25700652000. Its totient is φ = 3826531872.

The previous prime is 11522444449. The next prime is 11522444519. The reversal of 11522444454 is 45444422511.

11522444454 is a `hidden beast` number, since 1 + 1 + 522 + 44 + 44 + 54 = 666.

11522444454 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 15 ways as a sum of consecutive naturals, for example, 382089 + ... + 411140.

It is an arithmetic number, because the mean of its divisors is an integer number (803145375).

Almost surely, 2^11522444454 is an apocalyptic number.

11522444454 is an abundant number, since it is smaller than the sum of its proper divisors (14178207546).

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

11522444454 is a wasteful number, since it uses less digits than its factorization.

11522444454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793509 (or 793503 counting only the distinct ones).

The product of its digits is 102400, while the sum is 36.

Adding to 11522444454 its reverse (45444422511), we get a palindrome (56966866965).

The spelling of 11522444454 in words is "eleven billion, five hundred twenty-two million, four hundred forty-four thousand, four hundred fifty-four".