65255222255256 has 128 divisors (see below), whose sum is σ = 197868342240000. Its totient is φ = 19761785326080.

The previous prime is 65255222255231. The next prime is 65255222255281.

65255222255256 is a `hidden beast` number, since 6 + 5 + 25 + 52 + 22 + 25 + 525 + 6 = 666.

65255222255256 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (65255222255231) and next prime (65255222255281).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4945041 + ... + 12448448.

It is an arithmetic number, because the mean of its divisors is an integer number (1545846423750).

Almost surely, 2^{65255222255256} is an apocalyptic number.

65255222255256 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65255222255256 is an abundant number, since it is smaller than the sum of its proper divisors (132613119984744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65255222255256 is a wasteful number, since it uses less digits than its factorization.

65255222255256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17395094 (or 17395084 counting only the distinct ones).

The product of its digits is 36000000, while the sum is 54.

The spelling of 65255222255256 in words is "sixty-five trillion, two hundred fifty-five billion, two hundred twenty-two million, two hundred fifty-five thousand, two hundred fifty-six".