1144530420525 has 96 divisors (see below), whose sum is σ = 2221325683200. Its totient is φ = 576827193600.

The previous prime is 1144530420497. The next prime is 1144530420541. The reversal of 1144530420525 is 5250240354411.

1144530420525 is a `hidden beast` number, since 1 + 1 + 44 + 53 + 0 + 42 + 0 + 525 = 666.

It is not a de Polignac number, because 1144530420525 - 2⁵ = 1144530420493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144530420525.

It is a congruent 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 95 ways as a sum of consecutive naturals, for example, 298015 + ... + 1542035.

It is an arithmetic number, because the mean of its divisors is an integer number (23138809200).

Almost surely, 2^{1144530420525} is an apocalyptic number.

1144530420525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1144530420525 is a deficient number, since it is larger than the sum of its proper divisors (1076795262675).

1144530420525 is a wasteful number, since it uses less digits than its factorization.

1144530420525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244116 (or 1244105 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 1144530420525 its reverse (5250240354411), we get a palindrome (6394770774936).

The spelling of 1144530420525 in words is "one trillion, one hundred forty-four billion, five hundred thirty million, four hundred twenty thousand, five hundred twenty-five".