1348178754321 has 27 divisors (see below), whose sum is σ = 2265348129993. Its totient is φ = 770373926280.

The previous prime is 1348178754287. The next prime is 1348178754323. The reversal of 1348178754321 is 1234578718431.

The square root of 1348178754321 is 1161111.

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

1348178754321 is a `hidden beast` number, since 1 + 3 + 4 + 8 + 1 + 78 + 7 + 543 + 21 = 666.

It is not a de Polignac number, because 1348178754321 - 2¹¹ = 1348178752273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1348178754323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 24355686 + ... + 24410976.

Almost surely, 2^{1348178754321} is an apocalyptic number.

1348178754321 is the 1161111-st square number.

1348178754321 is the 580556-th centered octagonal number.

It is an amenable number.

1348178754321 is a deficient number, since it is larger than the sum of its proper divisors (917169375672).

1348178754321 is an frugal number, since it uses more digits than its factorization.

1348178754321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110602 (or 55301 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The spelling of 1348178754321 in words is "one trillion, three hundred forty-eight billion, one hundred seventy-eight million, seven hundred fifty-four thousand, three hundred twenty-one".