91306012612445 has 16 divisors (see below), whose sum is σ = 109985331580992. Its totient is φ = 72766578668160.

The previous prime is 91306012612433. The next prime is 91306012612447. The reversal of 91306012612445 is 54421621060319.

It is a happy number.

It is not a de Polignac number, because 91306012612445 - 2¹⁰ = 91306012611421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91306012612396 and 91306012612405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91306012612447) 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, 30629936 + ... + 33478425.

It is an arithmetic number, because the mean of its divisors is an integer number (6874083223812).

Almost surely, 2^{91306012612445} is an apocalyptic number.

It is an amenable number.

91306012612445 is a deficient number, since it is larger than the sum of its proper divisors (18679318968547).

91306012612445 is a wasteful number, since it uses less digits than its factorization.

91306012612445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64109452.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 91306012612445 in words is "ninety-one trillion, three hundred six billion, twelve million, six hundred twelve thousand, four hundred forty-five".