11140023534 has 16 divisors (see below), whose sum is σ = 23590638288. Its totient is φ = 3494909312.

The previous prime is 11140023523. The next prime is 11140023553. The reversal of 11140023534 is 43532004111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54607857 + ... + 54608060.

It is an arithmetic number, because the mean of its divisors is an integer number (1474414893).

Almost surely, 2^11140023534 is an apocalyptic number.

11140023534 is an abundant number, since it is smaller than the sum of its proper divisors (12450614754).

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

11140023534 is a wasteful number, since it uses less digits than its factorization.

11140023534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109215939.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 11140023534 its reverse (43532004111), we get a palindrome (54672027645).

The spelling of 11140023534 in words is "eleven billion, one hundred forty million, twenty-three thousand, five hundred thirty-four".