11111131041 has 16 divisors (see below), whose sum is σ = 14998970880. Its totient is φ = 7315552640.

The previous prime is 11111131037. The next prime is 11111131063. The reversal of 11111131041 is 14013111111.

It is a cyclic number.

It is not a de Polignac number, because 11111131041 - 2² = 11111131037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11111131041.

It is not an unprimeable number, because it can be changed into a prime (11111131081) 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, 206311 + ... + 254531.

It is an arithmetic number, because the mean of its divisors is an integer number (937435680).

Almost surely, 2^11111131041 is an apocalyptic number.

It is an amenable number.

11111131041 is a deficient number, since it is larger than the sum of its proper divisors (3887839839).

11111131041 is an equidigital number, since it uses as much as digits as its factorization.

11111131041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49176.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 11111131041 its reverse (14013111111), we get a palindrome (25124242152).

The spelling of 11111131041 in words is "eleven billion, one hundred eleven million, one hundred thirty-one thousand, forty-one".