11541240688 has 20 divisors (see below), whose sum is σ = 22965510520. Its totient is φ = 5614657344.

The previous prime is 11541240643. The next prime is 11541240701. The reversal of 11541240688 is 88604214511.

It is a self number, because there is not a number n which added to its sum of digits gives 11541240688.

It is a congruent number.

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, 9747078 + ... + 9748261.

It is an arithmetic number, because the mean of its divisors is an integer number (1148275526).

Almost surely, 2^11541240688 is an apocalyptic number.

It is an amenable number.

11541240688 is a deficient number, since it is larger than the sum of its proper divisors (11424269832).

11541240688 is a wasteful number, since it uses less digits than its factorization.

11541240688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19495384 (or 19495378 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 11541240688 in words is "eleven billion, five hundred forty-one million, two hundred forty thousand, six hundred eighty-eight".