255245551000 has 128 divisors (see below), whose sum is σ = 651857544000. Its totient is φ = 92775936000.

The previous prime is 255245550979. The next prime is 255245551003. The reversal of 255245551000 is 155542552.

255245551000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255245551003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38155656 + ... + 38162344.

Almost surely, 2^255245551000 is an apocalyptic number.

255245551000 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 255245551000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325928772000).

255245551000 is an abundant number, since it is smaller than the sum of its proper divisors (396611993000).

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

255245551000 is a wasteful number, since it uses less digits than its factorization.

255245551000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10190 (or 10176 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 255245551000 in words is "two hundred fifty-five billion, two hundred forty-five million, five hundred fifty-one thousand".