11805212677 has 8 divisors (see below), whose sum is σ = 12430955360. Its totient is φ = 11179911600.

The previous prime is 11805212669. The next prime is 11805212687. The reversal of 11805212677 is 77621250811.

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

It is not a de Polignac number, because 11805212677 - 2³ = 11805212669 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11805212687) 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, 54798 + ... + 163135.

It is an arithmetic number, because the mean of its divisors is an integer number (1553869420).

Almost surely, 2^11805212677 is an apocalyptic number.

It is an amenable number.

11805212677 is a deficient number, since it is larger than the sum of its proper divisors (625742683).

11805212677 is a wasteful number, since it uses less digits than its factorization.

11805212677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220803.

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 11805212677 in words is "eleven billion, eight hundred five million, two hundred twelve thousand, six hundred seventy-seven".