1177220660004 has 81 divisors (see below), whose sum is σ = 3021948989787. Its totient is φ = 386406847728.

The previous prime is 1177220659933. The next prime is 1177220660047. The reversal of 1177220660004 is 4000660227711.

The square root of 1177220660004 is 1084998.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

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 26 ways as a sum of consecutive naturals, for example, 436167847 + ... + 436170545.

Almost surely, 2^{1177220660004} is an apocalyptic number.

1177220660004 is the 1084998-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1177220660004

1177220660004 is an abundant number, since it is smaller than the sum of its proper divisors (1844728329783).

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

1177220660004 is an frugal number, since it uses more digits than its factorization.

1177220660004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542 (or 2771 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

Multiplying 1177220660004 by its sum of digits (36), we get a square (42379943760144 = 6509988²).

1177220660004 divided by its sum of digits (36) gives a square (32700573889 = 180833²).

Adding to 1177220660004 its reverse (4000660227711), we get a palindrome (5177880887715).

The spelling of 1177220660004 in words is "one trillion, one hundred seventy-seven billion, two hundred twenty million, six hundred sixty thousand, four".