11494688802821 has 8 divisors (see below), whose sum is σ = 13137112124544. Its totient is φ = 9852346711440.

The previous prime is 11494688802733. The next prime is 11494688802889. The reversal of 11494688802821 is 12820888649411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11494688802821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11494688802221) 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 7 ways as a sum of consecutive naturals, for example, 20004050 + ... + 20570643.

It is an arithmetic number, because the mean of its divisors is an integer number (1642139015568).

Almost surely, 2^{11494688802821} is an apocalyptic number.

It is an amenable number.

11494688802821 is a deficient number, since it is larger than the sum of its proper divisors (1642423321723).

11494688802821 is an equidigital number, since it uses as much as digits as its factorization.

11494688802821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40615171.

The product of its (nonzero) digits is 14155776, while the sum is 62.

The spelling of 11494688802821 in words is "eleven trillion, four hundred ninety-four billion, six hundred eighty-eight million, eight hundred two thousand, eight hundred twenty-one".