10866797921893 has 16 divisors (see below), whose sum is σ = 10930310424000. Its totient is φ = 10803476742912.

The previous prime is 10866797921843. The next prime is 10866797921897. The reversal of 10866797921893 is 39812979766801.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10866797921893 - 2³⁷ = 10729358968421 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 (10866797921897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309674893 + ... + 309709981.

It is an arithmetic number, because the mean of its divisors is an integer number (683144401500).

Almost surely, 2^{10866797921893} is an apocalyptic number.

It is an amenable number.

10866797921893 is a deficient number, since it is larger than the sum of its proper divisors (63512502107).

10866797921893 is a wasteful number, since it uses less digits than its factorization.

10866797921893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37764.

The product of its (nonzero) digits is 493807104, while the sum is 76.

The spelling of 10866797921893 in words is "ten trillion, eight hundred sixty-six billion, seven hundred ninety-seven million, nine hundred twenty-one thousand, eight hundred ninety-three".