11040113231 has 8 divisors (see below), whose sum is σ = 12644527104. Its totient is φ = 9442513080.

The previous prime is 11040113207. The next prime is 11040113233. The reversal of 11040113231 is 13231104011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11040113231 - 2¹⁸ = 11039851087 is a prime.

It is a super-2 number, since 2×11040113231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040113233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699955 + ... + 1706436.

It is an arithmetic number, because the mean of its divisors is an integer number (1580565888).

Almost surely, 2^11040113231 is an apocalyptic number.

11040113231 is a deficient number, since it is larger than the sum of its proper divisors (1604413873).

11040113231 is an equidigital number, since it uses as much as digits as its factorization.

11040113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406861.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11040113231 its reverse (13231104011), we get a palindrome (24271217242).

The spelling of 11040113231 in words is "eleven billion, forty million, one hundred thirteen thousand, two hundred thirty-one".