9999999152 has 80 divisors (see below), whose sum is σ = 22975529472. Its totient is φ = 4156488960.

The previous prime is 9999999151. The next prime is 9999999157. The reversal of 9999999152 is 2519999999.

It is not an unprimeable number, because it can be changed into a prime (9999999151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224393 + ... + 265239.

Almost surely, 2^9999999152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9999999152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11487764736).

9999999152 is an abundant number, since it is smaller than the sum of its proper divisors (12975530320).

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

9999999152 is a wasteful number, since it uses less digits than its factorization.

9999999152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40986 (or 40980 counting only the distinct ones).

The product of its digits is 47829690, while the sum is 71.

The square root of 9999999152 is about 99999.9957599999. The cubic root of 9999999152 is about 2154.4346291332.

The spelling of 9999999152 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, one hundred fifty-two".