11669049168001 has 3 divisors (see below), whose sum is σ = 11669052584001. Its totient is φ = 11669045752002.

The previous prime is 11669049167983. The next prime is 11669049168011. The reversal of 11669049168001 is 10086194096611.

The square root of 11669049168001 is 3415999.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-11669049168001 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 11669049168001.

It is not an unprimeable number, because it can be changed into a prime (11669049168011) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1708000 + ... + 5123998.

It is an arithmetic number, because the mean of its divisors is an integer number (3889684194667).

Almost surely, 2^{11669049168001} is an apocalyptic number.

11669049168001 is the 3415999-th square number.

11669049168001 is the 1708000-th centered octagonal number.

It is an amenable number.

11669049168001 is a deficient number, since it is larger than the sum of its proper divisors (3416000).

11669049168001 is an frugal number, since it uses more digits than its factorization.

11669049168001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6831998 (or 3415999 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 11669049168001 in words is "eleven trillion, six hundred sixty-nine billion, forty-nine million, one hundred sixty-eight thousand, one".