11143540026 has 24 divisors (see below), whose sum is σ = 24179304864. Its totient is φ = 3709133640.

The previous prime is 11143540003. The next prime is 11143540049. The reversal of 11143540026 is 62004534111.

It is a happy number.

11143540026 is a `hidden beast` number, since 1 + 114 + 3 + 540 + 0 + 2 + 6 = 666.

11143540026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11143540003) and next prime (11143540049).

It is a super-2 number, since 2×11143540026² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435526 + ... + 460401.

It is an arithmetic number, because the mean of its divisors is an integer number (1007471036).

Almost surely, 2^11143540026 is an apocalyptic number.

11143540026 is an abundant number, since it is smaller than the sum of its proper divisors (13035764838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11143540026 is a wasteful number, since it uses less digits than its factorization.

11143540026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896626 (or 896623 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 11143540026 in words is "eleven billion, one hundred forty-three million, five hundred forty thousand, twenty-six".