91111455411119 has 16 divisors (see below), whose sum is σ = 107418264906624. Its totient is φ = 76186998684000.

The previous prime is 91111455411083. The next prime is 91111455411209.

91111455411119 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 91111455411119 - 2¹² = 91111455407023 is a prime.

It is a super-2 number, since 2×91111455411119² (a number of 29 digits) contains 22 as substring.

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 91111455411119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91111455111119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125653957 + ... + 1125734894.

It is an arithmetic number, because the mean of its divisors is an integer number (6713641556664).

Almost surely, 2^{91111455411119} is an apocalyptic number.

91111455411119 is a deficient number, since it is larger than the sum of its proper divisors (16306809495505).

91111455411119 is a wasteful number, since it uses less digits than its factorization.

91111455411119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251389158.

The product of its digits is 32400, while the sum is 44.

The spelling of 91111455411119 in words is "ninety-one trillion, one hundred eleven billion, four hundred fifty-five million, four hundred eleven thousand, one hundred nineteen".