11040042201543 has 20 divisors (see below), whose sum is σ = 16492108669960. Its totient is φ = 7359941655792.

The previous prime is 11040042201523. The next prime is 11040042201593. The reversal of 11040042201543 is 34510224004011.

11040042201543 is a `hidden beast` number, since 1 + 1 + 0 + 400 + 4 + 2 + 201 + 54 + 3 = 666.

11040042201543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11040042201543 - 2¹³ = 11040042193351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040042201523) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6549513 + ... + 8060781.

It is an arithmetic number, because the mean of its divisors is an integer number (824605433498).

Almost surely, 2^{11040042201543} is an apocalyptic number.

11040042201543 is a deficient number, since it is larger than the sum of its proper divisors (5452066468417).

11040042201543 is an equidigital number, since it uses as much as digits as its factorization.

11040042201543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601468 (or 1601459 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 11040042201543 its reverse (34510224004011), we get a palindrome (45550266205554).

The spelling of 11040042201543 in words is "eleven trillion, forty billion, forty-two million, two hundred one thousand, five hundred forty-three".