11992846898761 has 3 divisors (see below), whose sum is σ = 11992850361831. Its totient is φ = 11992843435692.

The previous prime is 11992846898723. The next prime is 11992846898797. The reversal of 11992846898761 is 16789864829911.

The square root of 11992846898761 is 3463069.

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 can be written as a sum of positive squares in only one way, i.e., 2024556191161 + 9968290707600 = 1422869^2 + 3157260^2 .

It is not a de Polignac number, because 11992846898761 - 2¹⁷ = 11992846767689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11992846896761) 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 2 ways as a sum of consecutive naturals, for example, 1731535 + ... + 5194603.

It is an arithmetic number, because the mean of its divisors is an integer number (3997616787277).

Almost surely, 2^{11992846898761} is an apocalyptic number.

11992846898761 is the 3463069-th square number.

11992846898761 is the 1731535-th centered octagonal number.

It is an amenable number.

11992846898761 is a deficient number, since it is larger than the sum of its proper divisors (3463070).

11992846898761 is an frugal number, since it uses more digits than its factorization.

11992846898761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926138 (or 3463069 counting only the distinct ones).

The product of its digits is 752467968, while the sum is 79.

The spelling of 11992846898761 in words is "eleven trillion, nine hundred ninety-two billion, eight hundred forty-six million, eight hundred ninety-eight thousand, seven hundred sixty-one".