65505321564153 has 32 divisors (see below), whose sum is σ = 91339435683840. Its totient is φ = 41679158653440.

The previous prime is 65505321564083. The next prime is 65505321564269. The reversal of 65505321564153 is 35146512350556.

It is not a de Polignac number, because 65505321564153 - 2¹⁷ = 65505321433081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65505321564096 and 65505321564105.

It is not an unprimeable number, because it can be changed into a prime (65505321564853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121018368 + ... + 121558446.

It is an arithmetic number, because the mean of its divisors is an integer number (2854357365120).

Almost surely, 2^{65505321564153} is an apocalyptic number.

It is an amenable number.

65505321564153 is a deficient number, since it is larger than the sum of its proper divisors (25834114119687).

65505321564153 is a wasteful number, since it uses less digits than its factorization.

65505321564153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543989.

The product of its (nonzero) digits is 8100000, while the sum is 51.

The spelling of 65505321564153 in words is "sixty-five trillion, five hundred five billion, three hundred twenty-one million, five hundred sixty-four thousand, one hundred fifty-three".