11271543386 has 8 divisors (see below), whose sum is σ = 16908070080. Its totient is φ = 5635520028.

The previous prime is 11271543383. The next prime is 11271543391. The reversal of 11271543386 is 68334517211.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11271543383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63716 + ... + 163103.

It is an arithmetic number, because the mean of its divisors is an integer number (2113508760).

Almost surely, 2^11271543386 is an apocalyptic number.

11271543386 is a deficient number, since it is larger than the sum of its proper divisors (5636526694).

11271543386 is a wasteful number, since it uses less digits than its factorization.

11271543386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251668.

The product of its digits is 120960, while the sum is 41.

The spelling of 11271543386 in words is "eleven billion, two hundred seventy-one million, five hundred forty-three thousand, three hundred eighty-six".