11831309353055 has 4 divisors (see below), whose sum is σ = 14197571223672. Its totient is φ = 9465047482440.

The previous prime is 11831309353049. The next prime is 11831309353067. The reversal of 11831309353055 is 55035390313811.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11831309353055 - 2⁴⁰ = 10731797725279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183130935301 + ... + 1183130935310.

It is an arithmetic number, because the mean of its divisors is an integer number (3549392805918).

Almost surely, 2^{11831309353055} is an apocalyptic number.

11831309353055 is a deficient number, since it is larger than the sum of its proper divisors (2366261870617).

11831309353055 is an equidigital number, since it uses as much as digits as its factorization.

11831309353055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366261870616.

The product of its (nonzero) digits is 729000, while the sum is 47.

Adding to 11831309353055 its reverse (55035390313811), we get a palindrome (66866699666866).

The spelling of 11831309353055 in words is "eleven trillion, eight hundred thirty-one billion, three hundred nine million, three hundred fifty-three thousand, fifty-five".