1173439228516 has 27 divisors (see below), whose sum is σ = 2146775119321. Its totient is φ = 561186234224.

The previous prime is 1173439228499. The next prime is 1173439228561. The reversal of 1173439228516 is 6158229343711.

The square root of 1173439228516 is 1083254.

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

It can be written as a sum of positive squares in only one way, i.e., 896762916 + 1172542465600 = 29946^2 + 1082840^2 .

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 49817910 + ... + 49841458.

Almost surely, 2^{1173439228516} is an apocalyptic number.

1173439228516 is the 1083254-th square number.

It is an amenable number.

1173439228516 is a deficient number, since it is larger than the sum of its proper divisors (973335890805).

1173439228516 is an frugal number, since it uses more digits than its factorization.

1173439228516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47148 (or 23574 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The spelling of 1173439228516 in words is "one trillion, one hundred seventy-three billion, four hundred thirty-nine million, two hundred twenty-eight thousand, five hundred sixteen".