1255041216000 has 1600 divisors, whose sum is σ = 5495513639616. Its totient is φ = 280682496000.

The previous prime is 1255041215983. The next prime is 1255041216001. The reversal of 1255041216000 is 6121405521.

1255041216000 is a `hidden beast` number, since 1 + 2 + 5 + 50 + 4 + 1 + 2 + 1 + 600 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1600).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255041216001) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 741311154 + ... + 741312846.

Almost surely, 2^{1255041216000} is an apocalyptic number.

1255041216000 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 1255041216000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2747756819808).

1255041216000 is an abundant number, since it is smaller than the sum of its proper divisors (4240472423616).

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

1255041216000 is a wasteful number, since it uses less digits than its factorization.

1255041216000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762 (or 1727 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 1255041216000 in words is "one trillion, two hundred fifty-five billion, forty-one million, two hundred sixteen thousand".