11211032013 has 32 divisors (see below), whose sum is σ = 15343361280. Its totient is φ = 7279372800.

The previous prime is 11211032011. The next prime is 11211032047. The reversal of 11211032013 is 31023011211.

It is a happy number.

It is not a de Polignac number, because 11211032013 - 2¹ = 11211032011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11211031983 and 11211032001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211032011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15812103 + ... + 15812811.

It is an arithmetic number, because the mean of its divisors is an integer number (479480040).

Almost surely, 2^11211032013 is an apocalyptic number.

It is an amenable number.

11211032013 is a deficient number, since it is larger than the sum of its proper divisors (4132329267).

11211032013 is a wasteful number, since it uses less digits than its factorization.

11211032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11211032013 its reverse (31023011211), we get a palindrome (42234043224).

The spelling of 11211032013 in words is "eleven billion, two hundred eleven million, thirty-two thousand, thirteen".