255153500232100 has 72 divisors (see below), whose sum is σ = 564557826634088. Its totient is φ = 100067532364800.

The previous prime is 255153500232091. The next prime is 255153500232139. The reversal of 255153500232100 is 1232005351552.

It can be written as a sum of positive squares in 12 ways, for example, as 224974320732736 + 30179179499364 = 14999144^2 + 5493558^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64909299 + ... + 68727898.

Almost surely, 2^{255153500232100} is an apocalyptic number.

255153500232100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255153500232100 is an abundant number, since it is smaller than the sum of its proper divisors (309404326401988).

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

255153500232100 is a wasteful number, since it uses less digits than its factorization.

255153500232100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133637585 (or 133637578 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 255153500232100 its reverse (1232005351552), we get a palindrome (256385505583652).

The spelling of 255153500232100 in words is "two hundred fifty-five trillion, one hundred fifty-three billion, five hundred million, two hundred thirty-two thousand, one hundred".