91101041 has 2 divisors, whose sum is σ = 91101042. Its totient is φ = 91101040.

The previous prime is 91101019. The next prime is 91101053. The reversal of 91101041 is 14010119.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81360400 + 9740641 = 9020^2 + 3121^2 .

It is an emirp because it is prime and its reverse (14010119) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91101041 is a prime.

It is not a weakly prime, because it can be changed into another prime (91101061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45550520 + 45550521.

It is an arithmetic number, because the mean of its divisors is an integer number (45550521).

Almost surely, 2^91101041 is an apocalyptic number.

It is an amenable number.

91101041 is a deficient number, since it is larger than the sum of its proper divisors (1).

91101041 is an equidigital number, since it uses as much as digits as its factorization.

91101041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 91101041 is about 9544.6865323069. The cubic root of 91101041 is about 449.9605578599.

The spelling of 91101041 in words is "ninety-one million, one hundred one thousand, forty-one".