98511238225 has 9 divisors (see below), whose sum is σ = 122155881393. Its totient is φ = 78807735120.

The previous prime is 98511238201. The next prime is 98511238229. The reversal of 98511238225 is 52283211589.

The square root of 98511238225 is 313865.

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 8976236049 + 89535002176 = 94743^2 + 299224^2 .

It is not a de Polignac number, because 98511238225 - 2⁵ = 98511238193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98511238229) 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, 1537939 + ... + 1600711.

Almost surely, 2^98511238225 is an apocalyptic number.

98511238225 is the 313865-th square number.

98511238225 is the 156933-rd centered octagonal number.

It is an amenable number.

98511238225 is a deficient number, since it is larger than the sum of its proper divisors (23644643168).

98511238225 is an frugal number, since it uses more digits than its factorization.

98511238225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125556 (or 62778 counting only the distinct ones).

The product of its digits is 345600, while the sum is 46.

The spelling of 98511238225 in words is "ninety-eight billion, five hundred eleven million, two hundred thirty-eight thousand, two hundred twenty-five".