11143450455 has 8 divisors (see below), whose sum is σ = 17829520752. Its totient is φ = 5943173568.

The previous prime is 11143450453. The next prime is 11143450459. The reversal of 11143450455 is 55405434111.

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

It is not a de Polignac number, because 11143450455 - 2¹ = 11143450453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143450453) 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, 371448334 + ... + 371448363.

It is an arithmetic number, because the mean of its divisors is an integer number (2228690094).

Almost surely, 2^11143450455 is an apocalyptic number.

11143450455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11143450455 is a deficient number, since it is larger than the sum of its proper divisors (6686070297).

11143450455 is an equidigital number, since it uses as much as digits as its factorization.

11143450455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742896705.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 11143450455 its reverse (55405434111), we get a palindrome (66548884566).

The spelling of 11143450455 in words is "eleven billion, one hundred forty-three million, four hundred fifty thousand, four hundred fifty-five".