1326056546556 has 240 divisors, whose sum is σ = 4252318209216. Its totient is φ = 351701139456.

The previous prime is 1326056546527. The next prime is 1326056546567. The reversal of 1326056546556 is 6556456506231.

1326056546556 is a `hidden beast` number, since 1 + 3 + 26 + 0 + 5 + 65 + 4 + 6 + 556 = 666.

It is a super-2 number, since 2×1326056546556² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2579020 + ... + 3050156.

Almost surely, 2^{1326056546556} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326056546556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2126159104608).

1326056546556 is an abundant number, since it is smaller than the sum of its proper divisors (2926261662660).

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

1326056546556 is a wasteful number, since it uses less digits than its factorization.

1326056546556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471250 (or 471239 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 54.

The spelling of 1326056546556 in words is "one trillion, three hundred twenty-six billion, fifty-six million, five hundred forty-six thousand, five hundred fifty-six".