255151601273 has 4 divisors (see below), whose sum is σ = 255171769680. Its totient is φ = 255131432868.

The previous prime is 255151601183. The next prime is 255151601279. The reversal of 255151601273 is 372106151552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255151601273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255151601279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10065215 + ... + 10090532.

It is an arithmetic number, because the mean of its divisors is an integer number (63792942420).

Almost surely, 2^255151601273 is an apocalyptic number.

It is an amenable number.

255151601273 is a deficient number, since it is larger than the sum of its proper divisors (20168407).

255151601273 is a wasteful number, since it uses less digits than its factorization.

255151601273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20168406.

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 255151601273 in words is "two hundred fifty-five billion, one hundred fifty-one million, six hundred one thousand, two hundred seventy-three".