11544134445 has 16 divisors (see below), whose sum is σ = 20522905920. Its totient is φ = 6156871632.

The previous prime is 11544134419. The next prime is 11544134467. The reversal of 11544134445 is 54443144511.

It is not a de Polignac number, because 11544134445 - 2¹⁵ = 11544101677 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42755919 + ... + 42756188.

It is an arithmetic number, because the mean of its divisors is an integer number (1282681620).

Almost surely, 2^11544134445 is an apocalyptic number.

11544134445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11544134445 is a deficient number, since it is larger than the sum of its proper divisors (8978771475).

11544134445 is an equidigital number, since it uses as much as digits as its factorization.

11544134445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85512121 (or 85512115 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 11544134445 its reverse (54443144511), we get a palindrome (65987278956).

The spelling of 11544134445 in words is "eleven billion, five hundred forty-four million, one hundred thirty-four thousand, four hundred forty-five".