255525100000 has 72 divisors (see below), whose sum is σ = 628791301656. Its totient is φ = 102210000000.

The previous prime is 255525099967. The next prime is 255525100013. The reversal of 255525100000 is 1525552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1177626 + ... + 1377625.

It is an arithmetic number, because the mean of its divisors is an integer number (8733212523).

Almost surely, 2^255525100000 is an apocalyptic number.

255525100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255525100000 is an abundant number, since it is smaller than the sum of its proper divisors (373266201656).

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

255525100000 is an frugal number, since it uses more digits than its factorization.

255525100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555286 (or 2555258 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

Adding to 255525100000 its reverse (1525552), we get a palindrome (255526625552).

The spelling of 255525100000 in words is "two hundred fifty-five billion, five hundred twenty-five million, one hundred thousand".