1478570881225 has 27 divisors (see below), whose sum is σ = 1846372135167. Its totient is φ = 1174563823680.

The previous prime is 1478570881213. The next prime is 1478570881231. The reversal of 1478570881225 is 5221880758741.

The square root of 1478570881225 is 1215965.

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

It can be written as a sum of positive squares in 13 ways, for example, as 1376710328889 + 101860552336 = 1173333^2 + 319156^2 .

It is not a de Polignac number, because 1478570881225 - 2¹⁵ = 1478570848457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1478570881225.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 954531751 + ... + 954533299.

Almost surely, 2^{1478570881225} is an apocalyptic number.

1478570881225 is the 1215965-th square number.

1478570881225 is the 607983-rd centered octagonal number.

It is an amenable number.

1478570881225 is a deficient number, since it is larger than the sum of its proper divisors (367801253942).

1478570881225 is an frugal number, since it uses more digits than its factorization.

1478570881225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 10035200, while the sum is 58.

The spelling of 1478570881225 in words is "one trillion, four hundred seventy-eight billion, five hundred seventy million, eight hundred eighty-one thousand, two hundred twenty-five".