91458783311 has 8 divisors (see below), whose sum is σ = 104972927904. Its totient is φ = 78056789760.

The previous prime is 91458783277. The next prime is 91458783319. The reversal of 91458783311 is 11338785419.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91458783311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91458783311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91458783319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28036010 + ... + 28039271.

It is an arithmetic number, because the mean of its divisors is an integer number (13121615988).

Almost surely, 2^91458783311 is an apocalyptic number.

91458783311 is a deficient number, since it is larger than the sum of its proper divisors (13514144593).

91458783311 is a wasteful number, since it uses less digits than its factorization.

91458783311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56075521.

The product of its digits is 725760, while the sum is 50.

The spelling of 91458783311 in words is "ninety-one billion, four hundred fifty-eight million, seven hundred eighty-three thousand, three hundred eleven".