11123143355 has 8 divisors (see below), whose sum is σ = 13546992912. Its totient is φ = 8765700768.

The previous prime is 11123143307. The next prime is 11123143363. The reversal of 11123143355 is 55334132111.

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 11123143355 - 2⁸ = 11123143099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16601372 + ... + 16602041.

It is an arithmetic number, because the mean of its divisors is an integer number (1693374114).

Almost surely, 2^11123143355 is an apocalyptic number.

11123143355 is a deficient number, since it is larger than the sum of its proper divisors (2423849557).

11123143355 is an equidigital number, since it uses as much as digits as its factorization.

11123143355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33203485.

The product of its digits is 5400, while the sum is 29.

Adding to 11123143355 its reverse (55334132111), we get a palindrome (66457275466).

The spelling of 11123143355 in words is "eleven billion, one hundred twenty-three million, one hundred forty-three thousand, three hundred fifty-five".