9909151522620 has 48 divisors (see below), whose sum is σ = 31709284873728. Its totient is φ = 2264948919360.

The previous prime is 9909151522619. The next prime is 9909151522651. The reversal of 9909151522620 is 262251519099.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11796608536 + ... + 11796609375.

It is an arithmetic number, because the mean of its divisors is an integer number (660610101536).

Almost surely, 2^{9909151522620} is an apocalyptic number.

It is an amenable number.

9909151522620 is an abundant number, since it is smaller than the sum of its proper divisors (21800133351108).

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

9909151522620 is a wasteful number, since it uses less digits than its factorization.

9909151522620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23593217930 (or 23593217928 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 51.

The spelling of 9909151522620 in words is "nine trillion, nine hundred nine billion, one hundred fifty-one million, five hundred twenty-two thousand, six hundred twenty".