11154049344 has 84 divisors (see below), whose sum is σ = 32750920020. Its totient is φ = 3627325440.

The previous prime is 11154049337. The next prime is 11154049349. The reversal of 11154049344 is 44394045111.

11154049344 is a `hidden beast` number, since 11 + 154 + 0 + 493 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4318066944 + 6835982400 = 65712^2 + 82680^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11154049299 and 11154049308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11154049349) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 212539 + ... + 259770.

It is an arithmetic number, because the mean of its divisors is an integer number (389891905).

Almost surely, 2^11154049344 is an apocalyptic number.

It is an amenable number.

11154049344 is an abundant number, since it is smaller than the sum of its proper divisors (21596870676).

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

11154049344 is a wasteful number, since it uses less digits than its factorization.

11154049344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472368 (or 472355 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 11154049344 in words is "eleven billion, one hundred fifty-four million, forty-nine thousand, three hundred forty-four".