1148720942656 has 63 divisors (see below), whose sum is σ = 2651793817179. Its totient is φ = 492283252608.

The previous prime is 1148720942617. The next prime is 1148720942659. The reversal of 1148720942656 is 6562490278411.

The square root of 1148720942656 is 1071784.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1148720942597 and 1148720942606.

It is not an unprimeable number, because it can be changed into a prime (1148720942659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 60010335 + ... + 60029473.

Almost surely, 2^{1148720942656} is an apocalyptic number.

1148720942656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1148720942656 is the 1071784-th square number.

It is an amenable number.

1148720942656 is an abundant number, since it is smaller than the sum of its proper divisors (1503072874523).

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

1148720942656 is an frugal number, since it uses more digits than its factorization.

1148720942656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38304 (or 19148 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 1148720942656 in words is "one trillion, one hundred forty-eight billion, seven hundred twenty million, nine hundred forty-two thousand, six hundred fifty-six".