11124212357 has 4 divisors (see below), whose sum is σ = 11306576556. Its totient is φ = 10941848160.

The previous prime is 11124212353. The next prime is 11124212369. The reversal of 11124212357 is 75321242111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2278057441 + 8846154916 = 47729^2 + 94054^2 .

It is not a de Polignac number, because 11124212357 - 2² = 11124212353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11124212353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91182008 + ... + 91182129.

It is an arithmetic number, because the mean of its divisors is an integer number (2826644139).

Almost surely, 2^11124212357 is an apocalyptic number.

It is an amenable number.

11124212357 is a deficient number, since it is larger than the sum of its proper divisors (182364199).

11124212357 is an equidigital number, since it uses as much as digits as its factorization.

11124212357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182364198.

The product of its digits is 3360, while the sum is 29.

Adding to 11124212357 its reverse (75321242111), we get a palindrome (86445454468).

The spelling of 11124212357 in words is "eleven billion, one hundred twenty-four million, two hundred twelve thousand, three hundred fifty-seven".