1255331051552 has 24 divisors (see below), whose sum is σ = 2471479328556. Its totient is φ = 627653761792.

The previous prime is 1255331051501. The next prime is 1255331051599. The reversal of 1255331051552 is 2551501335521.

It can be written as a sum of positive squares in 2 ways, for example, as 997433648656 + 257897402896 = 998716^2 + 507836^2 .

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 3 ways as a sum of consecutive naturals, for example, 1514678 + ... + 2192010.

Almost surely, 2^{1255331051552} is an apocalyptic number.

It is an amenable number.

1255331051552 is a deficient number, since it is larger than the sum of its proper divisors (1216148277004).

1255331051552 is an equidigital number, since it uses as much as digits as its factorization.

1255331051552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735260 (or 735252 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 1255331051552 in words is "one trillion, two hundred fifty-five billion, three hundred thirty-one million, fifty-one thousand, five hundred fifty-two".