11234405213 has 4 divisors (see below), whose sum is σ = 11235829308. Its totient is φ = 11232981120.

The previous prime is 11234405209. The next prime is 11234405227. The reversal of 11234405213 is 31250443211.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1177725124 + 10056680089 = 34318^2 + 100283^2 .

It is a cyclic number.

It is not a de Polignac number, because 11234405213 - 2² = 11234405209 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 (11234405243) 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, 700148 + ... + 716013.

It is an arithmetic number, because the mean of its divisors is an integer number (2808957327).

Almost surely, 2^11234405213 is an apocalyptic number.

It is an amenable number.

11234405213 is a deficient number, since it is larger than the sum of its proper divisors (1424095).

11234405213 is an equidigital number, since it uses as much as digits as its factorization.

11234405213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424094.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11234405213 its reverse (31250443211), we get a palindrome (42484848424).

The spelling of 11234405213 in words is "eleven billion, two hundred thirty-four million, four hundred five thousand, two hundred thirteen".