91117291534080 has 216 divisors, whose sum is σ = 338517009693072. Its totient is φ = 20826809450496.

The previous prime is 91117291534079. The next prime is 91117291534201. The reversal of 91117291534080 is 8043519271119.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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, 241938997 + ... + 242315316.

Almost surely, 2^{91117291534080} is an apocalyptic number.

It is an amenable number.

91117291534080 is an abundant number, since it is smaller than the sum of its proper divisors (247399718158992).

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

91117291534080 is a wasteful number, since it uses less digits than its factorization.

91117291534080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484254351 (or 484254330 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 51.

The spelling of 91117291534080 in words is "ninety-one trillion, one hundred seventeen billion, two hundred ninety-one million, five hundred thirty-four thousand, eighty".