10803778999 has 8 divisors (see below), whose sum is σ = 11949294560. Its totient is φ = 9703185696.

The previous prime is 10803778981. The next prime is 10803779017. The reversal of 10803778999 is 99987730801.

It is an interprime number because it is at equal distance from previous prime (10803778981) and next prime (10803779017).

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 10803778999 - 2⁵ = 10803778967 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 (10803778399) 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 7 ways as a sum of consecutive naturals, for example, 11230059 + ... + 11231020.

It is an arithmetic number, because the mean of its divisors is an integer number (1493661820).

Almost surely, 2^10803778999 is an apocalyptic number.

10803778999 is a deficient number, since it is larger than the sum of its proper divisors (1145515561).

10803778999 is a wasteful number, since it uses less digits than its factorization.

10803778999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22461129.

The product of its (nonzero) digits is 6858432, while the sum is 61.

The spelling of 10803778999 in words is "ten billion, eight hundred three million, seven hundred seventy-eight thousand, nine hundred ninety-nine".