11447453271 has 8 divisors (see below), whose sum is σ = 15276513520. Its totient is φ = 7625014272.

The previous prime is 11447453219. The next prime is 11447453321. The reversal of 11447453271 is 17235474411.

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

It is not a de Polignac number, because 11447453271 - 2¹⁷ = 11447322199 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 (11447453201) 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, 1651276 + ... + 1658193.

It is an arithmetic number, because the mean of its divisors is an integer number (1909564190).

Almost surely, 2^11447453271 is an apocalyptic number.

11447453271 is a deficient number, since it is larger than the sum of its proper divisors (3829060249).

11447453271 is a wasteful number, since it uses less digits than its factorization.

11447453271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310625.

The product of its digits is 94080, while the sum is 39.

The spelling of 11447453271 in words is "eleven billion, four hundred forty-seven million, four hundred fifty-three thousand, two hundred seventy-one".