11454454213 has 4 divisors (see below), whose sum is σ = 11823952768. Its totient is φ = 11084955660.

The previous prime is 11454454091. The next prime is 11454454267. The reversal of 11454454213 is 31245445411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11454454213 - 2²¹ = 11452357061 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 (11454454283) 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, 184749231 + ... + 184749292.

It is an arithmetic number, because the mean of its divisors is an integer number (2955988192).

Almost surely, 2^11454454213 is an apocalyptic number.

It is an amenable number.

11454454213 is a deficient number, since it is larger than the sum of its proper divisors (369498555).

11454454213 is an equidigital number, since it uses as much as digits as its factorization.

11454454213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369498554.

The product of its digits is 38400, while the sum is 34.

Adding to 11454454213 its reverse (31245445411), we get a palindrome (42699899624).

The spelling of 11454454213 in words is "eleven billion, four hundred fifty-four million, four hundred fifty-four thousand, two hundred thirteen".