11271643514 has 8 divisors (see below), whose sum is σ = 16995069300. Its totient is φ = 5606620416.

The previous prime is 11271643499. The next prime is 11271643517. The reversal of 11271643514 is 41534617211.

It can be written as a sum of positive squares in 2 ways, for example, as 10958530489 + 313113025 = 104683^2 + 17695^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11271643517) 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, 14600189 + ... + 14600960.

Almost surely, 2^11271643514 is an apocalyptic number.

11271643514 is a deficient number, since it is larger than the sum of its proper divisors (5723425786).

11271643514 is a wasteful number, since it uses less digits than its factorization.

11271643514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29201344.

The product of its digits is 20160, while the sum is 35.

The spelling of 11271643514 in words is "eleven billion, two hundred seventy-one million, six hundred forty-three thousand, five hundred fourteen".