11240401343231 has 4 divisors (see below), whose sum is σ = 11243065581000. Its totient is φ = 11237737105464.

The previous prime is 11240401343179. The next prime is 11240401343321. The reversal of 11240401343231 is 13234310404211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11240401343231 is a prime.

It is a super-2 number, since 2×11240401343231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11240401343194 and 11240401343203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240001343231) 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, 1332112556 + ... + 1332120993.

It is an arithmetic number, because the mean of its divisors is an integer number (2810766395250).

Almost surely, 2^{11240401343231} is an apocalyptic number.

11240401343231 is a deficient number, since it is larger than the sum of its proper divisors (2664237769).

11240401343231 is an equidigital number, since it uses as much as digits as its factorization.

11240401343231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664237768.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 11240401343231 its reverse (13234310404211), we get a palindrome (24474711747442).

The spelling of 11240401343231 in words is "eleven trillion, two hundred forty billion, four hundred one million, three hundred forty-three thousand, two hundred thirty-one".