1255521422248 has 32 divisors (see below), whose sum is σ = 2359844033760. Its totient is φ = 626230196800.

The previous prime is 1255521422231. The next prime is 1255521422269. The reversal of 1255521422248 is 8422241255521.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21592911 + ... + 21650977.

It is an arithmetic number, because the mean of its divisors is an integer number (73745126055).

Almost surely, 2^{1255521422248} is an apocalyptic number.

It is an amenable number.

1255521422248 is a deficient number, since it is larger than the sum of its proper divisors (1104322611512).

1255521422248 is a wasteful number, since it uses less digits than its factorization.

1255521422248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64617 (or 64613 counting only the distinct ones).

The product of its digits is 512000, while the sum is 43.

Adding to 1255521422248 its reverse (8422241255521), we get a palindrome (9677762677769).

The spelling of 1255521422248 in words is "one trillion, two hundred fifty-five billion, five hundred twenty-one million, four hundred twenty-two thousand, two hundred forty-eight".