11541264143 has 4 divisors (see below), whose sum is σ = 11629365528. Its totient is φ = 11453162760.

The previous prime is 11541264121. The next prime is 11541264169. The reversal of 11541264143 is 34146214511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34146214511 = 8753 ⋅3901087.

It is a cyclic number.

It is not a de Polignac number, because 11541264143 - 2¹⁸ = 11541001999 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 (11541264043) 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, 44050496 + ... + 44050757.

It is an arithmetic number, because the mean of its divisors is an integer number (2907341382).

Almost surely, 2^11541264143 is an apocalyptic number.

11541264143 is a deficient number, since it is larger than the sum of its proper divisors (88101385).

11541264143 is an equidigital number, since it uses as much as digits as its factorization.

11541264143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88101384.

The product of its digits is 11520, while the sum is 32.

Adding to 11541264143 its reverse (34146214511), we get a palindrome (45687478654).

The spelling of 11541264143 in words is "eleven billion, five hundred forty-one million, two hundred sixty-four thousand, one hundred forty-three".