65717126852 has 12 divisors (see below), whose sum is σ = 123851508396. Its totient is φ = 30330981600.

The previous prime is 65717126843. The next prime is 65717126861. The reversal of 65717126852 is 25862171756.

65717126852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65717126843) and next prime (65717126861).

It can be written as a sum of positive squares in 2 ways, for example, as 16439342656 + 49277784196 = 128216^2 + 221986^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65717126852.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631895399 + ... + 631895502.

It is an arithmetic number, because the mean of its divisors is an integer number (10320959033).

Almost surely, 2^65717126852 is an apocalyptic number.

It is an amenable number.

65717126852 is a deficient number, since it is larger than the sum of its proper divisors (58134381544).

65717126852 is a wasteful number, since it uses less digits than its factorization.

65717126852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263790918 (or 1263790916 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 50.

The spelling of 65717126852 in words is "sixty-five billion, seven hundred seventeen million, one hundred twenty-six thousand, eight hundred fifty-two".