11155421207013 has 16 divisors (see below), whose sum is σ = 14894909807040. Its totient is φ = 7426441241856.

The previous prime is 11155421207011. The next prime is 11155421207059. The reversal of 11155421207013 is 31070212455111.

11155421207013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11155421207013 - 2¹ = 11155421207011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155421207011) 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, 39403581 + ... + 39685677.

It is an arithmetic number, because the mean of its divisors is an integer number (930931862940).

Almost surely, 2^{11155421207013} is an apocalyptic number.

It is an amenable number.

11155421207013 is a deficient number, since it is larger than the sum of its proper divisors (3739488600027).

11155421207013 is a wasteful number, since it uses less digits than its factorization.

11155421207013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300676.

The product of its (nonzero) digits is 8400, while the sum is 33.

The spelling of 11155421207013 in words is "eleven trillion, one hundred fifty-five billion, four hundred twenty-one million, two hundred seven thousand, thirteen".