11540115112 has 16 divisors (see below), whose sum is σ = 21647901600. Its totient is φ = 5767341360.

The previous prime is 11540115091. The next prime is 11540115121. The reversal of 11540115112 is 21151104511.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321412 + ... + 355507.

It is an arithmetic number, because the mean of its divisors is an integer number (1352993850).

Almost surely, 2^11540115112 is an apocalyptic number.

It is an amenable number.

11540115112 is a deficient number, since it is larger than the sum of its proper divisors (10107786488).

11540115112 is a wasteful number, since it uses less digits than its factorization.

11540115112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679056 (or 679052 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 22.

Adding to 11540115112 its reverse (21151104511), we get a palindrome (32691219623).

The spelling of 11540115112 in words is "eleven billion, five hundred forty million, one hundred fifteen thousand, one hundred twelve".