1255351425320 has 16 divisors (see below), whose sum is σ = 2824540707060. Its totient is φ = 502140570112.

The previous prime is 1255351425283. The next prime is 1255351425323. The reversal of 1255351425320 is 235241535521.

It can be written as a sum of positive squares in 2 ways, for example, as 1133939597956 + 121411827364 = 1064866^2 + 348442^2 .

It is not an unprimeable number, because it can be changed into a prime (1255351425323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15691892777 + ... + 15691892856.

Almost surely, 2^{1255351425320} is an apocalyptic number.

1255351425320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255351425320 is an abundant number, since it is smaller than the sum of its proper divisors (1569189281740).

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

1255351425320 is a wasteful number, since it uses less digits than its factorization.

1255351425320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31383785644 (or 31383785640 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 1255351425320 in words is "one trillion, two hundred fifty-five billion, three hundred fifty-one million, four hundred twenty-five thousand, three hundred twenty".