2185425680255 has 8 divisors (see below), whose sum is σ = 2623542098112. Its totient is φ = 1747653023008.

The previous prime is 2185425680239. The next prime is 2185425680257. The reversal of 2185425680255 is 5520865245812.

It is a happy number.

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 2185425680255 - 2⁴ = 2185425680239 is a prime.

It is a super-3 number, since 3×2185425680255³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2185425680197 and 2185425680206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185425680257) 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, 85926164 + ... + 85951593.

It is an arithmetic number, because the mean of its divisors is an integer number (327942762264).

Almost surely, 2^{2185425680255} is an apocalyptic number.

2185425680255 is a deficient number, since it is larger than the sum of its proper divisors (438116417857).

2185425680255 is a wasteful number, since it uses less digits than its factorization.

2185425680255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171880305.

The product of its (nonzero) digits is 7680000, while the sum is 53.

The spelling of 2185425680255 in words is "two trillion, one hundred eighty-five billion, four hundred twenty-five million, six hundred eighty thousand, two hundred fifty-five".