11115142340643 has 96 divisors (see below), whose sum is σ = 18187174736640. Its totient is φ = 6479634712320.

The previous prime is 11115142340573. The next prime is 11115142340651. The reversal of 11115142340643 is 34604324151111.

11115142340643 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 5 + 1 + 4 + 2 + 3 + 4 + 0 + 643 = 666.

It is not a de Polignac number, because 11115142340643 - 2⁹ = 11115142340131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11115142340598 and 11115142340607.

It is not an unprimeable number, because it can be changed into a prime (11115142360643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 862100305 + ... + 862113197.

It is an arithmetic number, because the mean of its divisors is an integer number (189449736840).

Almost surely, 2^{11115142340643} is an apocalyptic number.

11115142340643 is a deficient number, since it is larger than the sum of its proper divisors (7072032395997).

11115142340643 is a wasteful number, since it uses less digits than its factorization.

11115142340643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14049 (or 14046 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 11115142340643 its reverse (34604324151111), we get a palindrome (45719466491754).

The spelling of 11115142340643 in words is "eleven trillion, one hundred fifteen billion, one hundred forty-two million, three hundred forty thousand, six hundred forty-three".