99011788092 has 72 divisors (see below), whose sum is σ = 286065561600. Its totient is φ = 28285966368.

The previous prime is 99011788091. The next prime is 99011788103. The reversal of 99011788092 is 29088711099.

It is a super-2 number, since 2×99011788092² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99011788091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3250509 + ... + 3280827.

It is an arithmetic number, because the mean of its divisors is an integer number (3973132800).

Almost surely, 2^99011788092 is an apocalyptic number.

It is an amenable number.

99011788092 is an abundant number, since it is smaller than the sum of its proper divisors (187053773508).

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

99011788092 is a wasteful number, since it uses less digits than its factorization.

99011788092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43295 (or 43290 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 54.

The spelling of 99011788092 in words is "ninety-nine billion, eleven million, seven hundred eighty-eight thousand, ninety-two".