65150723352745 has 16 divisors (see below), whose sum is σ = 80296940578320. Its totient is φ = 50709971579904.

The previous prime is 65150723352731. The next prime is 65150723352749. The reversal of 65150723352745 is 54725332705156.

It can be written as a sum of positive squares in 8 ways, for example, as 2323112478976 + 62827610873769 = 1524176^2 + 7926387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65150723352745 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65150723352749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894500 + ... + 11571109.

It is an arithmetic number, because the mean of its divisors is an integer number (5018558786145).

Almost surely, 2^{65150723352745} is an apocalyptic number.

It is an amenable number.

65150723352745 is a deficient number, since it is larger than the sum of its proper divisors (15146217225575).

65150723352745 is a wasteful number, since it uses less digits than its factorization.

65150723352745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13491804.

The product of its (nonzero) digits is 26460000, while the sum is 55.

The spelling of 65150723352745 in words is "sixty-five trillion, one hundred fifty billion, seven hundred twenty-three million, three hundred fifty-two thousand, seven hundred forty-five".