15916280091080 has 64 divisors (see below), whose sum is σ = 37100756721600. Its totient is φ = 6137976866560.

The previous prime is 15916280091077. The next prime is 15916280091083. The reversal of 15916280091080 is 8019008261951.

It is an interprime number because it is at equal distance from previous prime (15916280091077) and next prime (15916280091083).

It is not an unprimeable number, because it can be changed into a prime (15916280091083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9252326 + ... + 10836885.

It is an arithmetic number, because the mean of its divisors is an integer number (579699323775).

Almost surely, 2^{15916280091080} is an apocalyptic number.

15916280091080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15916280091080 is an abundant number, since it is smaller than the sum of its proper divisors (21184476630520).

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

15916280091080 is a wasteful number, since it uses less digits than its factorization.

15916280091080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20089934 (or 20089930 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 50.

The spelling of 15916280091080 in words is "fifteen trillion, nine hundred sixteen billion, two hundred eighty million, ninety-one thousand, eighty".