1078553880000 has 350 divisors, whose sum is σ = 3995197608776. Its totient is φ = 287613504000.

The previous prime is 1078553879999. The next prime is 1078553880007. The reversal of 1078553880000 is 883558701.

It is a happy number.

1078553880000 is a `hidden beast` number, since 10 + 7 + 8 + 553 + 8 + 80 + 0 + 0 + 0 = 666.

1078553880000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078553880007) by changing a digit.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 3073557 + ... + 3406443.

Almost surely, 2^{1078553880000} is an apocalyptic number.

1078553880000 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 1078553880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997598804388).

1078553880000 is an abundant number, since it is smaller than the sum of its proper divisors (2916643728776).

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

1078553880000 is an frugal number, since it uses more digits than its factorization.

1078553880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332931 (or 332897 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 1078553880000 in words is "one trillion, seventy-eight billion, five hundred fifty-three million, eight hundred eighty thousand".