91305558972348 has 24 divisors (see below), whose sum is σ = 243481490593152. Its totient is φ = 26087302563504.

The previous prime is 91305558972347. The next prime is 91305558972361. The reversal of 91305558972348 is 84327985550319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91305558972347) 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, 543485469990 + ... + 543485470157.

It is an arithmetic number, because the mean of its divisors is an integer number (10145062108048).

Almost surely, 2^{91305558972348} is an apocalyptic number.

It is an amenable number.

91305558972348 is an abundant number, since it is smaller than the sum of its proper divisors (152175931620804).

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

91305558972348 is a wasteful number, since it uses less digits than its factorization.

91305558972348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086970940161 (or 1086970940159 counting only the distinct ones).

The product of its (nonzero) digits is 326592000, while the sum is 69.

The spelling of 91305558972348 in words is "ninety-one trillion, three hundred five billion, five hundred fifty-eight million, nine hundred seventy-two thousand, three hundred forty-eight".