13355040503511 has 24 divisors (see below), whose sum is σ = 22056969860640. Its totient is φ = 7627798480896.

The previous prime is 13355040503489. The next prime is 13355040503521. The reversal of 13355040503511 is 11530504055331.

13355040503511 is a `hidden beast` number, since 1 + 3 + 3 + 5 + 50 + 40 + 50 + 3 + 511 = 666.

It is not a de Polignac number, because 13355040503511 - 2⁶ = 13355040503447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13355040503521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50606730 + ... + 50869943.

It is an arithmetic number, because the mean of its divisors is an integer number (919040410860).

Almost surely, 2^{13355040503511} is an apocalyptic number.

13355040503511 is a deficient number, since it is larger than the sum of its proper divisors (8701929357129).

13355040503511 is a wasteful number, since it uses less digits than its factorization.

13355040503511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101478775 (or 101478772 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

Adding to 13355040503511 its reverse (11530504055331), we get a palindrome (24885544558842).

The spelling of 13355040503511 in words is "thirteen trillion, three hundred fifty-five billion, forty million, five hundred three thousand, five hundred eleven".