1255336260225 has 24 divisors (see below), whose sum is σ = 2197576890720. Its totient is φ = 630129573120.

The previous prime is 1255336260173. The next prime is 1255336260229. The reversal of 1255336260225 is 5220626335521.

It is not a de Polignac number, because 1255336260225 - 2⁹ = 1255336259713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1255336260229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492287455 + ... + 492290004.

It is an arithmetic number, because the mean of its divisors is an integer number (91565703780).

Almost surely, 2^{1255336260225} is an apocalyptic number.

1255336260225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1255336260225 is a deficient number, since it is larger than the sum of its proper divisors (942240630495).

1255336260225 is a wasteful number, since it uses less digits than its factorization.

1255336260225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984577489 (or 984577484 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 1255336260225 in words is "one trillion, two hundred fifty-five billion, three hundred thirty-six million, two hundred sixty thousand, two hundred twenty-five".