11554142311 has 8 divisors (see below), whose sum is σ = 11677382064. Its totient is φ = 11431271040.

The previous prime is 11554142279. The next prime is 11554142321. The reversal of 11554142311 is 11324145511.

It is a happy number.

11554142311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11554142311 - 2⁵ = 11554142279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11554142311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554142321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28845 + ... + 154726.

It is an arithmetic number, because the mean of its divisors is an integer number (1459672758).

Almost surely, 2^11554142311 is an apocalyptic number.

11554142311 is a deficient number, since it is larger than the sum of its proper divisors (123239753).

11554142311 is a wasteful number, since it uses less digits than its factorization.

11554142311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184241.

The product of its digits is 2400, while the sum is 28.

Adding to 11554142311 its reverse (11324145511), we get a palindrome (22878287822).

The spelling of 11554142311 in words is "eleven billion, five hundred fifty-four million, one hundred forty-two thousand, three hundred eleven".