65642045255 has 8 divisors (see below), whose sum is σ = 78820732032. Its totient is φ = 52480117728.

The previous prime is 65642045221. The next prime is 65642045257. The reversal of 65642045255 is 55254024656.

65642045255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65642045255 - 2⁸ = 65642044999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65642045257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4181192 + ... + 4196861.

It is an arithmetic number, because the mean of its divisors is an integer number (9852591504).

Almost surely, 2^65642045255 is an apocalyptic number.

65642045255 is a deficient number, since it is larger than the sum of its proper divisors (13178686777).

65642045255 is a wasteful number, since it uses less digits than its factorization.

65642045255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379625.

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 65642045255 in words is "sixty-five billion, six hundred forty-two million, forty-five thousand, two hundred fifty-five".