1063591578256 has 160 divisors (see below), whose sum is σ = 2230597232640. Its totient is φ = 490334304768.

The previous prime is 1063591578233. The next prime is 1063591578319. The reversal of 1063591578256 is 6528751953601.

It is a happy number.

It is a super-2 number, since 2×1063591578256² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 1063591578256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156338151 + ... + 156344953.

It is an arithmetic number, because the mean of its divisors is an integer number (13941232704).

Almost surely, 2^{1063591578256} is an apocalyptic number.

1063591578256 is a gapful number since it is divisible by the number (16) 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 1063591578256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1115298616320).

1063591578256 is an abundant number, since it is smaller than the sum of its proper divisors (1167005654384).

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

1063591578256 is a wasteful number, since it uses less digits than its factorization.

1063591578256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061 (or 7055 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 58.

The spelling of 1063591578256 in words is "one trillion, sixty-three billion, five hundred ninety-one million, five hundred seventy-eight thousand, two hundred fifty-six".