11554273112448 has 256 divisors, whose sum is σ = 34618340494080. Its totient is φ = 3383967744000.

The previous prime is 11554273112429. The next prime is 11554273112461. The reversal of 11554273112448 is 84421137245511.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 11554273112397 and 11554273112406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18218928 + ... + 18842448.

It is an arithmetic number, because the mean of its divisors is an integer number (135227892555).

Almost surely, 2^{11554273112448} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11554273112448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17309170247040).

11554273112448 is an abundant number, since it is smaller than the sum of its proper divisors (23064067381632).

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

11554273112448 is a wasteful number, since it uses less digits than its factorization.

11554273112448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623697 (or 623685 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The spelling of 11554273112448 in words is "eleven trillion, five hundred fifty-four billion, two hundred seventy-three million, one hundred twelve thousand, four hundred forty-eight".