99559456495200 has 288 divisors, whose sum is σ = 387771320109600. Its totient is φ = 24506943068160.

The previous prime is 99559456495193. The next prime is 99559456495229. The reversal of 99559456495200 is 259465495599.

It is a happy number.

99559456495200 is a `hidden beast` number, since 9 + 9 + 5 + 5 + 9 + 4 + 56 + 49 + 520 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176997435 + ... + 177559034.

It is an arithmetic number, because the mean of its divisors is an integer number (1346428194825).

Almost surely, 2^{99559456495200} is an apocalyptic number.

99559456495200 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99559456495200 is an abundant number, since it is smaller than the sum of its proper divisors (288211863614400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99559456495200 is a wasteful number, since it uses less digits than its factorization.

99559456495200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354556511 (or 354556492 counting only the distinct ones).

The product of its (nonzero) digits is 787320000, while the sum is 72.

The spelling of 99559456495200 in words is "ninety-nine trillion, five hundred fifty-nine billion, four hundred fifty-six million, four hundred ninety-five thousand, two hundred".