11012023013 has 4 divisors (see below), whose sum is σ = 11013276300. Its totient is φ = 11010769728.

The previous prime is 11012022997. The next prime is 11012023049. The reversal of 11012023013 is 31032021011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31032021011 = 163 ⋅190380497.

It can be written as a sum of positive squares in 2 ways, for example, as 1799286724 + 9212736289 = 42418^2 + 95983^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012023013 - 2⁴ = 11012022997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012023093) 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, 613370 + ... + 631067.

It is an arithmetic number, because the mean of its divisors is an integer number (2753319075).

Almost surely, 2^11012023013 is an apocalyptic number.

It is an amenable number.

11012023013 is a deficient number, since it is larger than the sum of its proper divisors (1253287).

11012023013 is an equidigital number, since it uses as much as digits as its factorization.

11012023013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253286.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11012023013 its reverse (31032021011), we get a palindrome (42044044024).

The spelling of 11012023013 in words is "eleven billion, twelve million, twenty-three thousand, thirteen".