10791439785 has 144 divisors (see below), whose sum is σ = 23558601600. Its totient is φ = 4672551744.

The previous prime is 10791439783. The next prime is 10791439787. The reversal of 10791439785 is 58793419701.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10791439783) and next prime (10791439787).

It is not a de Polignac number, because 10791439785 - 2¹ = 10791439783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10791439783) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2385756 + ... + 2390274.

It is an arithmetic number, because the mean of its divisors is an integer number (163601400).

Almost surely, 2^10791439785 is an apocalyptic number.

10791439785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10791439785 is an abundant number, since it is smaller than the sum of its proper divisors (12767161815).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10791439785 is a wasteful number, since it uses less digits than its factorization.

10791439785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585 (or 4553 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 10791439785 in words is "ten billion, seven hundred ninety-one million, four hundred thirty-nine thousand, seven hundred eighty-five".