1255412981760 has 1344 divisors, whose sum is σ = 5009706455040. Its totient is φ = 262636830720.

The previous prime is 1255412981717. The next prime is 1255412981761. The reversal of 1255412981760 is 671892145521.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255412981761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14105763796 + ... + 14105763884.

It is an arithmetic number, because the mean of its divisors is an integer number (3727460160).

Almost surely, 2^{1255412981760} is an apocalyptic number.

1255412981760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255412981760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2504853227520).

1255412981760 is an abundant number, since it is smaller than the sum of its proper divisors (3754293473280).

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

1255412981760 is an equidigital number, since it uses as much as digits as its factorization.

1255412981760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 1255412981760 in words is "one trillion, two hundred fifty-five billion, four hundred twelve million, nine hundred eighty-one thousand, seven hundred sixty".