110511061091 has 2 divisors, whose sum is σ = 110511061092. Its totient is φ = 110511061090.

The previous prime is 110511061057. The next prime is 110511061093. The reversal of 110511061091 is 190160115011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 110511061091 - 2¹⁰ = 110511060067 is a prime.

It is a super-2 number, since 2×110511061091² (a number of 23 digits) contains 22 as substring.

Together with 110511061093, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110511061091.

It is not a weakly prime, because it can be changed into another prime (110511061093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55255530545 + 55255530546.

It is an arithmetic number, because the mean of its divisors is an integer number (55255530546).

Almost surely, 2^110511061091 is an apocalyptic number.

110511061091 is a deficient number, since it is larger than the sum of its proper divisors (1).

110511061091 is an equidigital number, since it uses as much as digits as its factorization.

110511061091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 26.

The spelling of 110511061091 in words is "one hundred ten billion, five hundred eleven million, sixty-one thousand, ninety-one".