11013640241 has 4 divisors (see below), whose sum is σ = 11013933300. Its totient is φ = 11013347184.

The previous prime is 11013640223. The next prime is 11013640283. The reversal of 11013640241 is 14204631011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14204631011 = 101 ⋅140639911.

It can be written as a sum of positive squares in 2 ways, for example, as 9317847841 + 1695792400 = 96529^2 + 41180^2 .

It is a cyclic number.

It is not a de Polignac number, because 11013640241 - 2⁶ = 11013640177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11013640201) 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, 80126 + ... + 168663.

It is an arithmetic number, because the mean of its divisors is an integer number (2753483325).

Almost surely, 2^11013640241 is an apocalyptic number.

It is an amenable number.

11013640241 is a deficient number, since it is larger than the sum of its proper divisors (293059).

11013640241 is an equidigital number, since it uses as much as digits as its factorization.

11013640241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293058.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 11013640241 in words is "eleven billion, thirteen million, six hundred forty thousand, two hundred forty-one".