1148920512625 has 8 divisors (see below), whose sum is σ = 1433852799912. Its totient is φ = 919136410000.

The previous prime is 1148920512617. The next prime is 1148920512629. The reversal of 1148920512625 is 5262150298411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 364096387216 + 784824125409 = 603404^2 + 885903^2 .

It is not a de Polignac number, because 1148920512625 - 2³ = 1148920512617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148920512629) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4595681926 + ... + 4595682175.

It is an arithmetic number, because the mean of its divisors is an integer number (179231599989).

Almost surely, 2^{1148920512625} is an apocalyptic number.

It is an amenable number.

1148920512625 is a deficient number, since it is larger than the sum of its proper divisors (284932287287).

1148920512625 is an frugal number, since it uses more digits than its factorization.

1148920512625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191364116 (or 9191364106 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 1148920512625 in words is "one trillion, one hundred forty-eight billion, nine hundred twenty million, five hundred twelve thousand, six hundred twenty-five".