1416278505625 has 45 divisors (see below), whose sum is σ = 1786405760139. Its totient is φ = 1122478740000.

The previous prime is 1416278505611. The next prime is 1416278505643. The reversal of 1416278505625 is 5265058726141.

The square root of 1416278505625 is 1190075.

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

It can be written as a sum of positive squares in 7 ways, for example, as 1371566557321 + 44711948304 = 1171139^2 + 211452^2 .

It is not a de Polignac number, because 1416278505625 - 2⁷ = 1416278505497 is a prime.

It is a Duffinian 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 44 ways as a sum of consecutive naturals, for example, 5385089244 + ... + 5385089506.

Almost surely, 2^{1416278505625} is an apocalyptic number.

1416278505625 is the 1190075-th square number.

1416278505625 is the 595038-th centered octagonal number.

It is an amenable number.

1416278505625 is a deficient number, since it is larger than the sum of its proper divisors (370127254514).

1416278505625 is an frugal number, since it uses more digits than its factorization.

1416278505625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 1416278505625 in words is "one trillion, four hundred sixteen billion, two hundred seventy-eight million, five hundred five thousand, six hundred twenty-five".