11821676359655 has 8 divisors (see below), whose sum is σ = 14186031623232. Its totient is φ = 9457327759968.

The previous prime is 11821676359637. The next prime is 11821676359657. The reversal of 11821676359655 is 55695367612811.

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

It is a cyclic number.

It is not a de Polignac number, because 11821676359655 - 2⁸ = 11821676359399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11821676359591 and 11821676359600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11821676359657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3970337 + ... + 6277493.

It is an arithmetic number, because the mean of its divisors is an integer number (1773253952904).

Almost surely, 2^{11821676359655} is an apocalyptic number.

11821676359655 is a deficient number, since it is larger than the sum of its proper divisors (2364355263577).

11821676359655 is a wasteful number, since it uses less digits than its factorization.

11821676359655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331945.

The product of its digits is 81648000, while the sum is 65.

The spelling of 11821676359655 in words is "eleven trillion, eight hundred twenty-one billion, six hundred seventy-six million, three hundred fifty-nine thousand, six hundred fifty-five".