559894524121 has 9 divisors (see below), whose sum is σ = 562955767101. Its totient is φ = 556849850112.

The previous prime is 559894524109. The next prime is 559894524191. The reversal of 559894524121 is 121425498955.

The square root of 559894524121 is 748261.

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

It can be written as a sum of positive squares in 4 ways, for example, as 141932274121 + 417962250000 = 376739^2 + 646500^2 .

It is not a de Polignac number, because 559894524121 - 2²³ = 559886135513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (559894524191) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 144412435 + ... + 144416311.

It is an arithmetic number, because the mean of its divisors is an integer number (62550640789).

Almost surely, 2^559894524121 is an apocalyptic number.

559894524121 is the 748261-st square number.

559894524121 is the 374131-st centered octagonal number.

It is an amenable number.

559894524121 is a deficient number, since it is larger than the sum of its proper divisors (3061242980).

559894524121 is an frugal number, since it uses more digits than its factorization.

559894524121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140 (or 4070 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 55.

The spelling of 559894524121 in words is "five hundred fifty-nine billion, eight hundred ninety-four million, five hundred twenty-four thousand, one hundred twenty-one".