91046419211 has 16 divisors (see below), whose sum is σ = 102488627808. Its totient is φ = 80161228800.

The previous prime is 91046419183. The next prime is 91046419231. The reversal of 91046419211 is 11291464019.

It is a cyclic number.

It is not a de Polignac number, because 91046419211 - 2³⁴ = 73866550027 is a prime.

It is a super-2 number, since 2×91046419211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91046419231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674990 + ... + 798563.

It is an arithmetic number, because the mean of its divisors is an integer number (6405539238).

Almost surely, 2^91046419211 is an apocalyptic number.

91046419211 is a deficient number, since it is larger than the sum of its proper divisors (11442208597).

91046419211 is a wasteful number, since it uses less digits than its factorization.

91046419211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473742.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 91046419211 in words is "ninety-one billion, forty-six million, four hundred nineteen thousand, two hundred eleven".