11455747273 has 4 divisors (see below), whose sum is σ = 12058681360. Its totient is φ = 10852813188.

The previous prime is 11455747217. The next prime is 11455747297. The reversal of 11455747273 is 37274755411.

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 11455747273 - 2⁹ = 11455746761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11455747573) 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, 301467015 + ... + 301467052.

It is an arithmetic number, because the mean of its divisors is an integer number (3014670340).

Almost surely, 2^11455747273 is an apocalyptic number.

It is an amenable number.

11455747273 is a deficient number, since it is larger than the sum of its proper divisors (602934087).

11455747273 is an equidigital number, since it uses as much as digits as its factorization.

11455747273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602934086.

The product of its digits is 823200, while the sum is 46.

The spelling of 11455747273 in words is "eleven billion, four hundred fifty-five million, seven hundred forty-seven thousand, two hundred seventy-three".