1330411061556 has 18 divisors (see below), whose sum is σ = 3362983516802. Its totient is φ = 443470353840.

The previous prime is 1330411061543. The next prime is 1330411061563. The reversal of 1330411061556 is 6551601140331.

1330411061556 is a `hidden beast` number, since 1 + 3 + 3 + 0 + 41 + 1 + 0 + 61 + 556 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1330063984656 + 347076900 = 1153284^2 + 18630^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1330411061556² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 36955862821 = 1330411061556 / (1 + 3 + 3 + 0 + 4 + 1 + 1 + 0 + 6 + 1 + 5 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 1330411061556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18477931375 + ... + 18477931446.

Almost surely, 2^{1330411061556} is an apocalyptic number.

It is an amenable number.

1330411061556 is an abundant number, since it is smaller than the sum of its proper divisors (2032572455246).

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

1330411061556 is a wasteful number, since it uses less digits than its factorization.

1330411061556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36955862831 (or 36955862826 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 1330411061556 in words is "one trillion, three hundred thirty billion, four hundred eleven million, sixty-one thousand, five hundred fifty-six".