11123401033 has 4 divisors (see below), whose sum is σ = 11227358160. Its totient is φ = 11019443908.

The previous prime is 11123401027. The next prime is 11123401043. The reversal of 11123401033 is 33010432111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11123401033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11123401033.

It is not an unprimeable number, because it can be changed into a prime (11123401043) 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, 51978403 + ... + 51978616.

It is an arithmetic number, because the mean of its divisors is an integer number (2806839540).

Almost surely, 2^11123401033 is an apocalyptic number.

It is an amenable number.

11123401033 is a deficient number, since it is larger than the sum of its proper divisors (103957127).

11123401033 is a wasteful number, since it uses less digits than its factorization.

11123401033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103957126.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11123401033 its reverse (33010432111), we get a palindrome (44133833144).

The spelling of 11123401033 in words is "eleven billion, one hundred twenty-three million, four hundred one thousand, thirty-three".