255177671155160 has 128 divisors (see below), whose sum is σ = 625475567304000. Its totient is φ = 93129054560256.

The previous prime is 255177671155129. The next prime is 255177671155177. The reversal of 255177671155160 is 61551176771552.

255177671155160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 255177671155160.

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, 135078884 + ... + 136954956.

Almost surely, 2^{255177671155160} is an apocalyptic number.

255177671155160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255177671155160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312737783652000).

255177671155160 is an abundant number, since it is smaller than the sum of its proper divisors (370297896148840).

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

255177671155160 is a wasteful number, since it uses less digits than its factorization.

255177671155160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879125 (or 1879121 counting only the distinct ones).

The product of its (nonzero) digits is 15435000, while the sum is 59.

The spelling of 255177671155160 in words is "two hundred fifty-five trillion, one hundred seventy-seven billion, six hundred seventy-one million, one hundred fifty-five thousand, one hundred sixty".