11040101543 has 4 divisors (see below), whose sum is σ = 11040312360. Its totient is φ = 11039890728.

The previous prime is 11040101497. The next prime is 11040101561. The reversal of 11040101543 is 34510104011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34510104011 = 96911 ⋅356101.

It is a cyclic number.

It is not a de Polignac number, because 11040101543 - 2¹² = 11040097447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040101573) 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, 40088 + ... + 153906.

It is an arithmetic number, because the mean of its divisors is an integer number (2760078090).

Almost surely, 2^11040101543 is an apocalyptic number.

11040101543 is a deficient number, since it is larger than the sum of its proper divisors (210817).

11040101543 is an equidigital number, since it uses as much as digits as its factorization.

11040101543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210816.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 11040101543 its reverse (34510104011), we get a palindrome (45550205554).

The spelling of 11040101543 in words is "eleven billion, forty million, one hundred one thousand, five hundred forty-three".