11143540027 has 4 divisors (see below), whose sum is σ = 11251729840. Its totient is φ = 11035350216.

The previous prime is 11143540003. The next prime is 11143540049. The reversal of 11143540027 is 72004534111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72004534111 = 1063 ⋅67737097.

It is a cyclic number.

It is not a de Polignac number, because 11143540027 - 2¹⁹ = 11143015739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11143539977 and 11143540004.

It is not an unprimeable number, because it can be changed into a prime (11143540097) 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, 54094752 + ... + 54094957.

It is an arithmetic number, because the mean of its divisors is an integer number (2812932460).

Almost surely, 2^11143540027 is an apocalyptic number.

11143540027 is a deficient number, since it is larger than the sum of its proper divisors (108189813).

11143540027 is a wasteful number, since it uses less digits than its factorization.

11143540027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108189812.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 11143540027 in words is "eleven billion, one hundred forty-three million, five hundred forty thousand, twenty-seven".