11520642005403 has 8 divisors (see below), whose sum is σ = 15361385643600. Its totient is φ = 7680163185408.

The previous prime is 11520642005393. The next prime is 11520642005407. The reversal of 11520642005403 is 30450024602511.

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

It is not a de Polignac number, because 11520642005403 - 2²⁰ = 11520640956827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11520642005407) 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, 66103018 + ... + 66277071.

It is an arithmetic number, because the mean of its divisors is an integer number (1920173205450).

Almost surely, 2^{11520642005403} is an apocalyptic number.

11520642005403 is a deficient number, since it is larger than the sum of its proper divisors (3840743638197).

11520642005403 is a wasteful number, since it uses less digits than its factorization.

11520642005403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132409101.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 11520642005403 its reverse (30450024602511), we get a palindrome (41970666607914).

The spelling of 11520642005403 in words is "eleven trillion, five hundred twenty billion, six hundred forty-two million, five thousand, four hundred three".