1255480296000 has 896 divisors, whose sum is σ = 4920730214400. Its totient is φ = 275969433600.

The previous prime is 1255480295941. The next prime is 1255480296001. The reversal of 1255480296000 is 6920845521.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1255480296001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2138807707 + ... + 2138808293.

It is an arithmetic number, because the mean of its divisors is an integer number (5491886400).

Almost surely, 2^{1255480296000} is an apocalyptic number.

1255480296000 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 1255480296000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2460365107200).

1255480296000 is an abundant number, since it is smaller than the sum of its proper divisors (3665249918400).

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

1255480296000 is a wasteful number, since it uses less digits than its factorization.

1255480296000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 1255480296000 in words is "one trillion, two hundred fifty-five billion, four hundred eighty million, two hundred ninety-six thousand".