11144478453 has 8 divisors (see below), whose sum is σ = 14903398848. Its totient is φ = 7407605184.

The previous prime is 11144478437. The next prime is 11144478547. The reversal of 11144478453 is 35487444111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11144478453 - 2⁴ = 11144478437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144478853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5510601 + ... + 5512622.

It is an arithmetic number, because the mean of its divisors is an integer number (1862924856).

Almost surely, 2^11144478453 is an apocalyptic number.

It is an amenable number.

11144478453 is a deficient number, since it is larger than the sum of its proper divisors (3758920395).

11144478453 is a wasteful number, since it uses less digits than its factorization.

11144478453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11023563.

The product of its digits is 215040, while the sum is 42.

The spelling of 11144478453 in words is "eleven billion, one hundred forty-four million, four hundred seventy-eight thousand, four hundred fifty-three".