11540412414243 has 48 divisors (see below), whose sum is σ = 17440700730240. Its totient is φ = 7541647580736.

The previous prime is 11540412414163. The next prime is 11540412414253. The reversal of 11540412414243 is 34241421404511.

11540412414243 is a `hidden beast` number, since 1 + 1 + 5 + 404 + 1 + 2 + 4 + 1 + 4 + 243 = 666.

It is not a de Polignac number, because 11540412414243 - 2¹⁴ = 11540412397859 is a prime.

It is a super-2 number, since 2×11540412414243² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11540412414198 and 11540412414207.

It is not an unprimeable number, because it can be changed into a prime (11540412414253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23206896 + ... + 23698962.

It is an arithmetic number, because the mean of its divisors is an integer number (363347931880).

Almost surely, 2^{11540412414243} is an apocalyptic number.

11540412414243 is a deficient number, since it is larger than the sum of its proper divisors (5900288315997).

11540412414243 is an equidigital number, since it uses as much as digits as its factorization.

11540412414243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492385 (or 492306 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

Adding to 11540412414243 its reverse (34241421404511), we get a palindrome (45781833818754).

The spelling of 11540412414243 in words is "eleven trillion, five hundred forty billion, four hundred twelve million, four hundred fourteen thousand, two hundred forty-three".