9109961495808 has 72 divisors (see below), whose sum is σ = 24249630403488. Its totient is φ = 3036171958272.

The previous prime is 9109961495807. The next prime is 9109961495809. The reversal of 9109961495808 is 8085941699019.

It is an interprime number because it is at equal distance from previous prime (9109961495807) and next prime (9109961495809).

It is a super-3 number, since 3×9109961495808³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9109961495807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918066 + ... + 5794062.

Almost surely, 2^{9109961495808} is an apocalyptic number.

It is an amenable number.

9109961495808 is an abundant number, since it is smaller than the sum of its proper divisors (15139668907680).

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

9109961495808 is a wasteful number, since it uses less digits than its factorization.

9109961495808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882339 (or 1882325 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 69.

The spelling of 9109961495808 in words is "nine trillion, one hundred nine billion, nine hundred sixty-one million, four hundred ninety-five thousand, eight hundred eight".