11303013011 has 4 divisors (see below), whose sum is σ = 11353699392. Its totient is φ = 11252326632.

The previous prime is 11303012971. The next prime is 11303013019. The reversal of 11303013011 is 11031030311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11031030311 = 7 ⋅1575861473.

It is a cyclic number.

It is not a de Polignac number, because 11303013011 - 2⁶ = 11303012947 is a prime.

It is a super-2 number, since 2×11303013011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11303013019) 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, 25342856 + ... + 25343301.

It is an arithmetic number, because the mean of its divisors is an integer number (2838424848).

Almost surely, 2^11303013011 is an apocalyptic number.

11303013011 is a deficient number, since it is larger than the sum of its proper divisors (50686381).

11303013011 is an equidigital number, since it uses as much as digits as its factorization.

11303013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50686380.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 11303013011 its reverse (11031030311), we get a palindrome (22334043322).

The spelling of 11303013011 in words is "eleven billion, three hundred three million, thirteen thousand, eleven".