11155455143 has 8 divisors (see below), whose sum is σ = 13188715680. Its totient is φ = 9232100640.

The previous prime is 11155455133. The next prime is 11155455163. The reversal of 11155455143 is 34155455111.

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

It is not a de Polignac number, because 11155455143 - 2¹⁶ = 11155389607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155455133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27476288 + ... + 27476693.

It is an arithmetic number, because the mean of its divisors is an integer number (1648589460).

Almost surely, 2^11155455143 is an apocalyptic number.

11155455143 is a deficient number, since it is larger than the sum of its proper divisors (2033260537).

11155455143 is an equidigital number, since it uses as much as digits as its factorization.

11155455143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54953017.

The product of its digits is 30000, while the sum is 35.

The spelling of 11155455143 in words is "eleven billion, one hundred fifty-five million, four hundred fifty-five thousand, one hundred forty-three".