11019452544 has 160 divisors (see below), whose sum is σ = 32938329600. Its totient is φ = 3656959488.

The previous prime is 11019452533. The next prime is 11019452569. The reversal of 11019452544 is 44525491011.

11019452544 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 94 + 525 + 44 = 666.

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 = 11019452499 and 11019452508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2475729 + ... + 2480175.

It is an arithmetic number, because the mean of its divisors is an integer number (205864560).

Almost surely, 2^11019452544 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 11019452544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16469164800).

11019452544 is an abundant number, since it is smaller than the sum of its proper divisors (21918877056).

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

11019452544 is an equidigital number, since it uses as much as digits as its factorization.

11019452544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712 (or 4691 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 11019452544 in words is "eleven billion, nineteen million, four hundred fifty-two thousand, five hundred forty-four".