1179404688016 has 15 divisors (see below), whose sum is σ = 2285104999593. Its totient is φ = 589700172000.

The previous prime is 1179404688013. The next prime is 1179404688061. The reversal of 1179404688016 is 6108864049711.

It is a happy number.

The square root of 1179404688016 is 1086004.

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., 820843248016 + 358561440000 = 906004^2 + 598800^2 .

It is a super-2 number, since 2×1179404688016² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1179404688013) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4208266 + ... + 4479766.

Almost surely, 2^{1179404688016} is an apocalyptic number.

1179404688016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1179404688016 is the 1086004-th square number.

It is an amenable number.

1179404688016 is a deficient number, since it is larger than the sum of its proper divisors (1105700311577).

1179404688016 is an frugal number, since it uses more digits than its factorization.

1179404688016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543010 (or 271503 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 1179404688016 in words is "one trillion, one hundred seventy-nine billion, four hundred four million, six hundred eighty-eight thousand, sixteen".