11581433848 has 16 divisors (see below), whose sum is σ = 21762096480. Its totient is φ = 5778208128.

The previous prime is 11581433833. The next prime is 11581433849. The reversal of 11581433848 is 84833418511.

It is a junction number, because it is equal to n+sod(n) for n = 11581433798 and 11581433807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11581433849) 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, 1559665 + ... + 1567072.

It is an arithmetic number, because the mean of its divisors is an integer number (1360131030).

Almost surely, 2^11581433848 is an apocalyptic number.

It is an amenable number.

11581433848 is a deficient number, since it is larger than the sum of its proper divisors (10180662632).

11581433848 is a wasteful number, since it uses less digits than its factorization.

11581433848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127206 (or 3127202 counting only the distinct ones).

The product of its digits is 368640, while the sum is 46.

The spelling of 11581433848 in words is "eleven billion, five hundred eighty-one million, four hundred thirty-three thousand, eight hundred forty-eight".