11144240036639 has 8 divisors (see below), whose sum is σ = 11800022030640. Its totient is φ = 10488484538496.

The previous prime is 11144240036617. The next prime is 11144240036647. The reversal of 11144240036639 is 93663004244111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11144240036639 - 2²⁰ = 11144238988063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11144240036639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144240036689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5754749 + ... + 7443494.

It is an arithmetic number, because the mean of its divisors is an integer number (1475002753830).

Almost surely, 2^{11144240036639} is an apocalyptic number.

11144240036639 is a deficient number, since it is larger than the sum of its proper divisors (655781994001).

11144240036639 is a wasteful number, since it uses less digits than its factorization.

11144240036639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13247929.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 11144240036639 in words is "eleven trillion, one hundred forty-four billion, two hundred forty million, thirty-six thousand, six hundred thirty-nine".