11123400041 has 4 divisors (see below), whose sum is σ = 11979046212. Its totient is φ = 10267753872.

The previous prime is 11123400023. The next prime is 11123400053. The reversal of 11123400041 is 14000432111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14000432111 = 3719 ⋅3764569.

It can be written as a sum of positive squares in 2 ways, for example, as 4173676816 + 6949723225 = 64604^2 + 83365^2 .

It is a cyclic number.

It is not a de Polignac number, because 11123400041 - 2³⁰ = 10049658217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11123399992 and 11123400019.

It is not an unprimeable number, because it can be changed into a prime (11123400011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427823066 + ... + 427823091.

It is an arithmetic number, because the mean of its divisors is an integer number (2994761553).

Almost surely, 2^11123400041 is an apocalyptic number.

It is an amenable number.

11123400041 is a deficient number, since it is larger than the sum of its proper divisors (855646171).

11123400041 is an equidigital number, since it uses as much as digits as its factorization.

11123400041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855646170.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11123400041 its reverse (14000432111), we get a palindrome (25123832152).

The spelling of 11123400041 in words is "eleven billion, one hundred twenty-three million, four hundred thousand, forty-one".