10788378422765 has 4 divisors (see below), whose sum is σ = 12946054107324. Its totient is φ = 8630702738208.

The previous prime is 10788378422761. The next prime is 10788378422791. The reversal of 10788378422765 is 56722487388701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2942480513956 + 7845897908809 = 1715366^2 + 2801053^2 .

It is a cyclic number.

It is not a de Polignac number, because 10788378422765 - 2² = 10788378422761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10788378422695 and 10788378422704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10788378422761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078837842272 + ... + 1078837842281.

It is an arithmetic number, because the mean of its divisors is an integer number (3236513526831).

Almost surely, 2^{10788378422765} is an apocalyptic number.

It is an amenable number.

10788378422765 is a deficient number, since it is larger than the sum of its proper divisors (2157675684559).

10788378422765 is an equidigital number, since it uses as much as digits as its factorization.

10788378422765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157675684558.

The product of its (nonzero) digits is 252887040, while the sum is 68.

The spelling of 10788378422765 in words is "ten trillion, seven hundred eighty-eight billion, three hundred seventy-eight million, four hundred twenty-two thousand, seven hundred sixty-five".