11497109544 has 192 divisors, whose sum is σ = 34418442240. Its totient is φ = 3587094720.

The previous prime is 11497109509. The next prime is 11497109557. The reversal of 11497109544 is 44590179411.

11497109544 is a `hidden beast` number, since 1 + 1 + 4 + 97 + 10 + 9 + 544 = 666.

11497109544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11497109544.

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 47 ways as a sum of consecutive naturals, for example, 2098729 + ... + 2104199.

It is an arithmetic number, because the mean of its divisors is an integer number (179262720).

Almost surely, 2^11497109544 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 11497109544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17209221120).

11497109544 is an abundant number, since it is smaller than the sum of its proper divisors (22921332696).

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

11497109544 is a wasteful number, since it uses less digits than its factorization.

11497109544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562 (or 5546 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 11497109544 in words is "eleven billion, four hundred ninety-seven million, one hundred nine thousand, five hundred forty-four".