11147681344811 has 24 divisors (see below), whose sum is σ = 12332342867712. Its totient is φ = 10068869170800.

The previous prime is 11147681344711. The next prime is 11147681344843. The reversal of 11147681344811 is 11844318674111.

It is not a de Polignac number, because 11147681344811 - 2²² = 11147677150507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11147681344811.

It is not an unprimeable number, because it can be changed into a prime (11147681344711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62847530 + ... + 63024656.

It is an arithmetic number, because the mean of its divisors is an integer number (513847619488).

Almost surely, 2^{11147681344811} is an apocalyptic number.

11147681344811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11147681344811 is a deficient number, since it is larger than the sum of its proper divisors (1184661522901).

11147681344811 is a wasteful number, since it uses less digits than its factorization.

11147681344811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180503 (or 180492 counting only the distinct ones).

The product of its digits is 516096, while the sum is 50.

The spelling of 11147681344811 in words is "eleven trillion, one hundred forty-seven billion, six hundred eighty-one million, three hundred forty-four thousand, eight hundred eleven".