99125539850 has 24 divisors (see below), whose sum is σ = 187396026348. Its totient is φ = 39000211200.

The previous prime is 99125539847. The next prime is 99125539897. The reversal of 99125539850 is 5893552199.

It can be written as a sum of positive squares in 6 ways, for example, as 23672591881 + 75452947969 = 153859^2 + 274687^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16247039 + ... + 16253138.

Almost surely, 2^99125539850 is an apocalyptic number.

99125539850 is a deficient number, since it is larger than the sum of its proper divisors (88270486498).

99125539850 is a wasteful number, since it uses less digits than its factorization.

99125539850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32500250 (or 32500245 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 56.

The spelling of 99125539850 in words is "ninety-nine billion, one hundred twenty-five million, five hundred thirty-nine thousand, eight hundred fifty".