11513406040503 has 16 divisors (see below), whose sum is σ = 15518095872000. Its totient is φ = 7592432367744.

The previous prime is 11513406040483. The next prime is 11513406040559. The reversal of 11513406040503 is 30504060431511.

It is a happy number.

It is not a de Polignac number, because 11513406040503 - 2²⁹ = 11512869169591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513406040583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33861751 + ... + 34200072.

It is an arithmetic number, because the mean of its divisors is an integer number (969880992000).

Almost surely, 2^{11513406040503} is an apocalyptic number.

11513406040503 is a deficient number, since it is larger than the sum of its proper divisors (4004689831497).

11513406040503 is a wasteful number, since it uses less digits than its factorization.

11513406040503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68062438.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 11513406040503 in words is "eleven trillion, five hundred thirteen billion, four hundred six million, forty thousand, five hundred three".