11384854273 has 4 divisors (see below), whose sum is σ = 12260612308. Its totient is φ = 10509096240.

The previous prime is 11384854267. The next prime is 11384854319. The reversal of 11384854273 is 37245848311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37245848311 = 7 ⋅5320835473.

It can be written as a sum of positive squares in 2 ways, for example, as 482988529 + 10901865744 = 21977^2 + 104412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11384854273 is a prime.

It is a super-2 number, since 2×11384854273² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11384854213) 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, 437878998 + ... + 437879023.

It is an arithmetic number, because the mean of its divisors is an integer number (3065153077).

Almost surely, 2^11384854273 is an apocalyptic number.

11384854273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11384854273 is a deficient number, since it is larger than the sum of its proper divisors (875758035).

11384854273 is an equidigital number, since it uses as much as digits as its factorization.

11384854273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875758034.

The product of its digits is 645120, while the sum is 46.

The spelling of 11384854273 in words is "eleven billion, three hundred eighty-four million, eight hundred fifty-four thousand, two hundred seventy-three".