11111242441 has 16 divisors (see below), whose sum is σ = 12252816576. Its totient is φ = 10010984256.

The previous prime is 11111242421. The next prime is 11111242447. The reversal of 11111242441 is 14424211111.

It is a de Polignac number, because none of the positive numbers 2^k-11111242441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11111242447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895506 + ... + 907828.

It is an arithmetic number, because the mean of its divisors is an integer number (765801036).

Almost surely, 2^11111242441 is an apocalyptic number.

It is an amenable number.

11111242441 is a deficient number, since it is larger than the sum of its proper divisors (1141574135).

11111242441 is a wasteful number, since it uses less digits than its factorization.

11111242441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13992.

The product of its digits is 256, while the sum is 22.

Adding to 11111242441 its reverse (14424211111), we get a palindrome (25535453552).

The spelling of 11111242441 in words is "eleven billion, one hundred eleven million, two hundred forty-two thousand, four hundred forty-one".