11312111241 has 16 divisors (see below), whose sum is σ = 17042731200. Its totient is φ = 7413585984.

The previous prime is 11312111159. The next prime is 11312111243. The reversal of 11312111241 is 14211121311.

11312111241 is a `hidden beast` number, since 1 + 1 + 312 + 111 + 241 = 666.

It is not a de Polignac number, because 11312111241 - 2¹⁹ = 11311586953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11312111243) 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 15 ways as a sum of consecutive naturals, for example, 3548976 + ... + 3552161.

It is an arithmetic number, because the mean of its divisors is an integer number (1065170700).

Almost surely, 2^11312111241 is an apocalyptic number.

It is an amenable number.

11312111241 is a deficient number, since it is larger than the sum of its proper divisors (5730619959).

11312111241 is an equidigital number, since it uses as much as digits as its factorization.

11312111241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101205 (or 7101199 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

Adding to 11312111241 its reverse (14211121311), we get a palindrome (25523232552).

The spelling of 11312111241 in words is "eleven billion, three hundred twelve million, one hundred eleven thousand, two hundred forty-one".