1063761206544 has 135 divisors (see below), whose sum is σ = 3028807777359. Its totient is φ = 348526632960.

The previous prime is 1063761206507. The next prime is 1063761206587. The reversal of 1063761206544 is 4456021673601.

The square root of 1063761206544 is 1031388.

It is a perfect power (a square), and thus also a powerful number.

1063761206544 is a `hidden beast` number, since 1 + 0 + 637 + 6 + 1 + 2 + 0 + 6 + 5 + 4 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 974192688144 + 89568518400 = 987012^2 + 299280^2 .

It is a super-2 number, since 2×1063761206544² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1063761206544.

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 26 ways as a sum of consecutive naturals, for example, 754975312 + ... + 754976720.

Almost surely, 2^{1063761206544} is an apocalyptic number.

1063761206544 is the 1031388-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1063761206544

1063761206544 is an abundant number, since it is smaller than the sum of its proper divisors (1965046570815).

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

1063761206544 is an frugal number, since it uses more digits than its factorization.

1063761206544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 1063761206544 in words is "one trillion, sixty-three billion, seven hundred sixty-one million, two hundred six thousand, five hundred forty-four".