11413044451 has 4 divisors (see below), whose sum is σ = 11655875232. Its totient is φ = 11170213672.

The previous prime is 11413044437. The next prime is 11413044463. The reversal of 11413044451 is 15444031411.

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

It is a cyclic number.

It is not a de Polignac number, because 11413044451 - 2⁷ = 11413044323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11413044481) 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, 121415320 + ... + 121415413.

It is an arithmetic number, because the mean of its divisors is an integer number (2913968808).

Almost surely, 2^11413044451 is an apocalyptic number.

11413044451 is a deficient number, since it is larger than the sum of its proper divisors (242830781).

11413044451 is an equidigital number, since it uses as much as digits as its factorization.

11413044451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242830780.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 11413044451 its reverse (15444031411), we get a palindrome (26857075862).

The spelling of 11413044451 in words is "eleven billion, four hundred thirteen million, forty-four thousand, four hundred fifty-one".