11123408552254 has 8 divisors (see below), whose sum is σ = 16707569240880. Its totient is φ = 5554218805296.

The previous prime is 11123408552251. The next prime is 11123408552257. The reversal of 11123408552254 is 45225580432111.

It is an interprime number because it is at equal distance from previous prime (11123408552251) and next prime (11123408552257).

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

It is a self number, because there is not a number n which added to its sum of digits gives 11123408552254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123408552251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3742733559 + ... + 3742736530.

It is an arithmetic number, because the mean of its divisors is an integer number (2088446155110).

Almost surely, 2^{11123408552254} is an apocalyptic number.

11123408552254 is a deficient number, since it is larger than the sum of its proper divisors (5584160688626).

11123408552254 is an equidigital number, since it uses as much as digits as its factorization.

11123408552254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485470834.

The product of its (nonzero) digits is 384000, while the sum is 43.

Adding to 11123408552254 its reverse (45225580432111), we get a palindrome (56348988984365).

The spelling of 11123408552254 in words is "eleven trillion, one hundred twenty-three billion, four hundred eight million, five hundred fifty-two thousand, two hundred fifty-four".