99373105225 has 27 divisors (see below), whose sum is σ = 125222317941. Its totient is φ = 78228717600.

The previous prime is 99373105219. The next prime is 99373105289. The reversal of 99373105225 is 52250137399.

The square root of 99373105225 is 315235.

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 42237001 + 99330868224 = 6499^2 + 315168^2 .

It is not a de Polignac number, because 99373105225 - 2³ = 99373105217 is a prime.

It is a Duffinian number.

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, 105603255 + ... + 105604195.

Almost surely, 2^99373105225 is an apocalyptic number.

99373105225 is the 315235-th square number.

99373105225 is the 157618-th centered octagonal number.

It is an amenable number.

99373105225 is a deficient number, since it is larger than the sum of its proper divisors (25849212716).

99373105225 is an frugal number, since it uses more digits than its factorization.

99373105225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 46.

The spelling of 99373105225 in words is "ninety-nine billion, three hundred seventy-three million, one hundred five thousand, two hundred twenty-five".