1559488952025 has 45 divisors (see below), whose sum is σ = 2888816719503. Its totient is φ = 831697470000.

The previous prime is 1559488951957. The next prime is 1559488952051. The reversal of 1559488952025 is 5202598849551.

The square root of 1559488952025 is 1248795.

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

1559488952025 is a `hidden beast` number, since 1 + 5 + 5 + 9 + 4 + 8 + 89 + 520 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 561416022729 + 998072929296 = 749277^2 + 999036^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 1559488952025 - 2⁷ = 1559488951897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 56181900 + ... + 56209650.

Almost surely, 2^{1559488952025} is an apocalyptic number.

1559488952025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1559488952025 is the 1248795-th square number.

1559488952025 is the 624398-th centered octagonal number.

It is an amenable number.

1559488952025 is a deficient number, since it is larger than the sum of its proper divisors (1329327767478).

1559488952025 is an frugal number, since it uses more digits than its factorization.

1559488952025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55524 (or 27759 counting only the distinct ones).

The product of its (nonzero) digits is 51840000, while the sum is 63.

The spelling of 1559488952025 in words is "one trillion, five hundred fifty-nine billion, four hundred eighty-eight million, nine hundred fifty-two thousand, twenty-five".