2255530120000 has 70 divisors (see below), whose sum is σ = 5592981749498. Its totient is φ = 902212032000.

The previous prime is 2255530119979. The next prime is 2255530120007. The reversal of 2255530120000 is 210355522.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 1646643302656 + 608886817344 = 1283216^2 + 780312^2 .

It is a super-2 number, since 2×2255530120000² (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255530120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28154127 + ... + 28234126.

Almost surely, 2^{2255530120000} is an apocalyptic number.

2255530120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2255530120000 is an abundant number, since it is smaller than the sum of its proper divisors (3337451629498).

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

2255530120000 is an frugal number, since it uses more digits than its factorization.

2255530120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56388285 (or 56388260 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 2255530120000 its reverse (210355522), we get a palindrome (2255740475522).

The spelling of 2255530120000 in words is "two trillion, two hundred fifty-five billion, five hundred thirty million, one hundred twenty thousand".