90009000099000 has 96 divisors (see below), whose sum is σ = 304230420365040. Its totient is φ = 24002400024000.

The previous prime is 90009000098951. The next prime is 90009000099113. The reversal of 90009000099000 is 99000090009.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5000491006 + ... + 5000509005.

Almost surely, 2^{90009000099000} is an apocalyptic number.

90009000099000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

90009000099000 is an abundant number, since it is smaller than the sum of its proper divisors (214221420266040).

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

90009000099000 is a wasteful number, since it uses less digits than its factorization.

90009000099000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001000038 (or 10001000021 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 36.

The spelling of 90009000099000 in words is "ninety trillion, nine billion, ninety-nine thousand".