1255214442255 has 32 divisors (see below), whose sum is σ = 2021272704000. Its totient is φ = 665147048832.

The previous prime is 1255214442253. The next prime is 1255214442259. The reversal of 1255214442255 is 5522444125521.

It is not a de Polignac number, because 1255214442255 - 2¹ = 1255214442253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255214442253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1896346 + ... + 2471144.

It is an arithmetic number, because the mean of its divisors is an integer number (63164772000).

Almost surely, 2^{1255214442255} is an apocalyptic number.

1255214442255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1255214442255 is a deficient number, since it is larger than the sum of its proper divisors (766058261745).

1255214442255 is a wasteful number, since it uses less digits than its factorization.

1255214442255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575743.

The product of its digits is 640000, while the sum is 42.

Adding to 1255214442255 its reverse (5522444125521), we get a palindrome (6777658567776).

The spelling of 1255214442255 in words is "one trillion, two hundred fifty-five billion, two hundred fourteen million, four hundred forty-two thousand, two hundred fifty-five".