11013506243 has 4 divisors (see below), whose sum is σ = 11021118960. Its totient is φ = 11005893528.

The previous prime is 11013506227. The next prime is 11013506267. The reversal of 11013506243 is 34260531011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11013506243 - 2⁴ = 11013506227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11013506743) 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, 3804188 + ... + 3807081.

It is an arithmetic number, because the mean of its divisors is an integer number (2755279740).

Almost surely, 2^11013506243 is an apocalyptic number.

11013506243 is a deficient number, since it is larger than the sum of its proper divisors (7612717).

11013506243 is an equidigital number, since it uses as much as digits as its factorization.

11013506243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7612716.

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 11013506243 in words is "eleven billion, thirteen million, five hundred six thousand, two hundred forty-three".