11143080255 has 64 divisors (see below), whose sum is σ = 18349632000. Its totient is φ = 5772736512.

The previous prime is 11143080239. The next prime is 11143080301. The reversal of 11143080255 is 55208034111.

11143080255 is a nontrivial binomial coefficient, being equal to C(149286, 2).

It is not a de Polignac number, because 11143080255 - 2⁴ = 11143080239 is a prime.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 27244491 + ... + 27244899.

It is an arithmetic number, because the mean of its divisors is an integer number (286713000).

Almost surely, 2^11143080255 is an apocalyptic number.

11143080255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11143080255 is the 149285-th triangular number and also the 74643-rd hexagonal number.

11143080255 is a deficient number, since it is larger than the sum of its proper divisors (7206551745).

11143080255 is a wasteful number, since it uses less digits than its factorization.

11143080255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 11143080255 in words is "eleven billion, one hundred forty-three million, eighty thousand, two hundred fifty-five".