1255301245552 has 160 divisors (see below), whose sum is σ = 2700261457920. Its totient is φ = 562659229440.

The previous prime is 1255301245481. The next prime is 1255301245573. The reversal of 1255301245552 is 2555421035521.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 340096027 + ... + 340099717.

It is an arithmetic number, because the mean of its divisors is an integer number (16876634112).

Almost surely, 2^{1255301245552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255301245552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350130728960).

1255301245552 is an abundant number, since it is smaller than the sum of its proper divisors (1444960212368).

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

1255301245552 is a wasteful number, since it uses less digits than its factorization.

1255301245552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251 (or 4245 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 1255301245552 in words is "one trillion, two hundred fifty-five billion, three hundred one million, two hundred forty-five thousand, five hundred fifty-two".