255512721371 has 8 divisors (see below), whose sum is σ = 257335602000. Its totient is φ = 253691281440.

The previous prime is 255512721367. The next prime is 255512721397. The reversal of 255512721371 is 173127215552.

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 255512721371 - 2² = 255512721367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255512721301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2945 + ... + 714866.

It is an arithmetic number, because the mean of its divisors is an integer number (32166950250).

Almost surely, 2^255512721371 is an apocalyptic number.

255512721371 is a deficient number, since it is larger than the sum of its proper divisors (1822880629).

255512721371 is a wasteful number, since it uses less digits than its factorization.

255512721371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720349.

The product of its digits is 147000, while the sum is 41.

The spelling of 255512721371 in words is "two hundred fifty-five billion, five hundred twelve million, seven hundred twenty-one thousand, three hundred seventy-one".