11112233444454 has 8 divisors (see below), whose sum is σ = 22224466888920. Its totient is φ = 3704077814816.

The previous prime is 11112233444453. The next prime is 11112233444461. The reversal of 11112233444454 is 45444433221111.

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

11112233444454 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112233444453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926019453699 + ... + 926019453710.

It is an arithmetic number, because the mean of its divisors is an integer number (2778058361115).

Almost surely, 2^{11112233444454} is an apocalyptic number.

11112233444454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11112233444454 is a wasteful number, since it uses less digits than its factorization.

11112233444454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852038907414.

The product of its digits is 184320, while the sum is 39.

Adding to 11112233444454 its reverse (45444433221111), we get a palindrome (56556666665565).

The spelling of 11112233444454 in words is "eleven trillion, one hundred twelve billion, two hundred thirty-three million, four hundred forty-four thousand, four hundred fifty-four".