11115660010603 has 8 divisors (see below), whose sum is σ = 11237532789728. Its totient is φ = 10993935769344.

The previous prime is 11115660010589. The next prime is 11115660010613. The reversal of 11115660010603 is 30601006651111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11115660010603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11115660010613) 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, 36983976 + ... + 37283317.

It is an arithmetic number, because the mean of its divisors is an integer number (1404691598716).

Almost surely, 2^{11115660010603} is an apocalyptic number.

11115660010603 is a deficient number, since it is larger than the sum of its proper divisors (121872779125).

11115660010603 is an equidigital number, since it uses as much as digits as its factorization.

11115660010603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74268933.

The product of its (nonzero) digits is 3240, while the sum is 31.

Adding to 11115660010603 its reverse (30601006651111), we get a palindrome (41716666661714).

The spelling of 11115660010603 in words is "eleven trillion, one hundred fifteen billion, six hundred sixty million, ten thousand, six hundred three".