11133456544 has 48 divisors (see below), whose sum is σ = 26139431808. Its totient is φ = 4564023552.

The previous prime is 11133456539. The next prime is 11133456563. The reversal of 11133456544 is 44565433111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075347 + ... + 1085650.

It is an arithmetic number, because the mean of its divisors is an integer number (544571496).

Almost surely, 2^11133456544 is an apocalyptic number.

11133456544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11133456544 is an abundant number, since it is smaller than the sum of its proper divisors (15005975264).

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

11133456544 is a wasteful number, since it uses less digits than its factorization.

11133456544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161037 (or 2161029 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

Adding to 11133456544 its reverse (44565433111), we get a palindrome (55698889655).

The spelling of 11133456544 in words is "eleven billion, one hundred thirty-three million, four hundred fifty-six thousand, five hundred forty-four".