10992219905 has 8 divisors (see below), whose sum is σ = 13194128232. Its totient is φ = 8791466368.

The previous prime is 10992219883. The next prime is 10992219913. The reversal of 10992219905 is 50991229901.

It can be written as a sum of positive squares in 4 ways, for example, as 2255205121 + 8737014784 = 47489^2 + 93472^2 .

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 10992219905 - 2³² = 6697252609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10992219905.

It is an unprimeable number.

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, 267614 + ... + 305943.

It is an arithmetic number, because the mean of its divisors is an integer number (1649266029).

Almost surely, 2^10992219905 is an apocalyptic number.

It is an amenable number.

10992219905 is a deficient number, since it is larger than the sum of its proper divisors (2201908327).

10992219905 is an equidigital number, since it uses as much as digits as its factorization.

10992219905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577395.

The product of its (nonzero) digits is 131220, while the sum is 47.

The spelling of 10992219905 in words is "ten billion, nine hundred ninety-two million, two hundred nineteen thousand, nine hundred five".