11111241023 has 4 divisors (see below), whose sum is σ = 11150783088. Its totient is φ = 11071698960.

The previous prime is 11111240981. The next prime is 11111241041. The reversal of 11111241023 is 32014211111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32014211111 = 1123 ⋅28507757.

It is a cyclic number.

It is not a de Polignac number, because 11111241023 - 2¹⁰ = 11111239999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11111240992 and 11111241010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111247023) 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, 19770611 + ... + 19771172.

It is an arithmetic number, because the mean of its divisors is an integer number (2787695772).

Almost surely, 2^11111241023 is an apocalyptic number.

11111241023 is a deficient number, since it is larger than the sum of its proper divisors (39542065).

11111241023 is an equidigital number, since it uses as much as digits as its factorization.

11111241023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39542064.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11111241023 its reverse (32014211111), we get a palindrome (43125452134).

The spelling of 11111241023 in words is "eleven billion, one hundred eleven million, two hundred forty-one thousand, twenty-three".