11131052549 has 8 divisors (see below), whose sum is σ = 12406127040. Its totient is φ = 9924901056.

The previous prime is 11131052539. The next prime is 11131052551. The reversal of 11131052549 is 94525013111.

11131052549 is nontrivially palindromic in base 6.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11131052549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131052539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17230409 + ... + 17231054.

It is an arithmetic number, because the mean of its divisors is an integer number (1550765880).

Almost surely, 2^11131052549 is an apocalyptic number.

11131052549 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11131052549 is a deficient number, since it is larger than the sum of its proper divisors (1275074491).

11131052549 is a wasteful number, since it uses less digits than its factorization.

11131052549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34461499.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 11131052549 in words is "eleven billion, one hundred thirty-one million, fifty-two thousand, five hundred forty-nine".