1255112990208 has 1280 divisors, whose sum is σ = 4915113984000. Its totient is φ = 306361958400.

The previous prime is 1255112990137. The next prime is 1255112990269. The reversal of 1255112990208 is 8020992115521.

It is a happy number.

1255112990208 is a `hidden beast` number, since 1 + 2 + 5 + 511 + 29 + 90 + 20 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4631413113 + ... + 4631413383.

It is an arithmetic number, because the mean of its divisors is an integer number (3839932800).

Almost surely, 2^{1255112990208} is an apocalyptic number.

1255112990208 is a gapful number since it is divisible by the number (18) 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 1255112990208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2457556992000).

1255112990208 is an abundant number, since it is smaller than the sum of its proper divisors (3660000993792).

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

1255112990208 is a wasteful number, since it uses less digits than its factorization.

1255112990208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The spelling of 1255112990208 in words is "one trillion, two hundred fifty-five billion, one hundred twelve million, nine hundred ninety thousand, two hundred eight".