1111231040011 has 4 divisors (see below), whose sum is σ = 1147077202624. Its totient is φ = 1075384877400.

The previous prime is 1111231039939. The next prime is 1111231040033. The reversal of 1111231040011 is 1100401321111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1111231040011 - 2⁷ = 1111231039883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111231040611) 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, 17923081260 + ... + 17923081321.

It is an arithmetic number, because the mean of its divisors is an integer number (286769300656).

Almost surely, 2^{1111231040011} is an apocalyptic number.

1111231040011 is a deficient number, since it is larger than the sum of its proper divisors (35846162613).

1111231040011 is an equidigital number, since it uses as much as digits as its factorization.

1111231040011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35846162612.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1111231040011 its reverse (1100401321111), we get a palindrome (2211632361122).

The spelling of 1111231040011 in words is "one trillion, one hundred eleven billion, two hundred thirty-one million, forty thousand, eleven".