11115142340663 has 8 divisors (see below), whose sum is σ = 11376601484688. Its totient is φ = 10853818081344.

The previous prime is 11115142340651. The next prime is 11115142340777. The reversal of 11115142340663 is 36604324151111.

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 11115142340663 - 2¹⁸ = 11115142078519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115142340963) 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, 33554420 + ... + 33884057.

It is an arithmetic number, because the mean of its divisors is an integer number (1422075185586).

Almost surely, 2^{11115142340663} is an apocalyptic number.

11115142340663 is a deficient number, since it is larger than the sum of its proper divisors (261459144025).

11115142340663 is an equidigital number, since it uses as much as digits as its factorization.

11115142340663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67442353.

The product of its (nonzero) digits is 51840, while the sum is 38.

Adding to 11115142340663 its reverse (36604324151111), we get a palindrome (47719466491774).

The spelling of 11115142340663 in words is "eleven trillion, one hundred fifteen billion, one hundred forty-two million, three hundred forty thousand, six hundred sixty-three".