11200012013 has 4 divisors (see below), whose sum is σ = 11203402080. Its totient is φ = 11196621948.

The previous prime is 11200011973. The next prime is 11200012027. The reversal of 11200012013 is 31021000211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31021000211 = 6841 ⋅4534571.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11200012013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200011985 and 11200012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200012093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690073 + ... + 1696686.

It is an arithmetic number, because the mean of its divisors is an integer number (2800850520).

Almost surely, 2^11200012013 is an apocalyptic number.

It is an amenable number.

11200012013 is a deficient number, since it is larger than the sum of its proper divisors (3390067).

11200012013 is an equidigital number, since it uses as much as digits as its factorization.

11200012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390066.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11200012013 its reverse (31021000211), we get a palindrome (42221012224).

The spelling of 11200012013 in words is "eleven billion, two hundred million, twelve thousand, thirteen".