99825151000556 has 24 divisors (see below), whose sum is σ = 176643074420736. Its totient is φ = 49358261509200.

The previous prime is 99825151000543. The next prime is 99825151000639. The reversal of 99825151000556 is 65500015152899.

It is a happy number.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319886720 + ... + 320198631.

It is an arithmetic number, because the mean of its divisors is an integer number (7360128100864).

Almost surely, 2^{99825151000556} is an apocalyptic number.

It is an amenable number.

99825151000556 is a deficient number, since it is larger than the sum of its proper divisors (76817923420180).

99825151000556 is a wasteful number, since it uses less digits than its factorization.

99825151000556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640085789 (or 640085787 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 56.

The spelling of 99825151000556 in words is "ninety-nine trillion, eight hundred twenty-five billion, one hundred fifty-one million, five hundred fifty-six", and thus it is an aban number.