11540243314544 has 80 divisors (see below), whose sum is σ = 28232908121088. Its totient is φ = 4452501605376.

The previous prime is 11540243314517. The next prime is 11540243314549. The reversal of 11540243314544 is 44541334204511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11540243314549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131718212 + ... + 131805795.

Almost surely, 2^{11540243314544} is an apocalyptic number.

11540243314544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11540243314544 is an abundant number, since it is smaller than the sum of its proper divisors (16692664806544).

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

11540243314544 is a wasteful number, since it uses less digits than its factorization.

11540243314544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263524062 (or 263524056 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 11540243314544 in words is "eleven trillion, five hundred forty billion, two hundred forty-three million, three hundred fourteen thousand, five hundred forty-four".