11017091 has 2 divisors, whose sum is σ = 11017092. Its totient is φ = 11017090.

The previous prime is 11017081. The next prime is 11017109. The reversal of 11017091 is 19071011.

Together with next prime (11017109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (19071011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11017091 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11017021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5508545 + 5508546.

It is an arithmetic number, because the mean of its divisors is an integer number (5508546).

Almost surely, 2^11017091 is an apocalyptic number.

11017091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11017091 is an equidigital number, since it uses as much as digits as its factorization.

11017091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 20.

The square root of 11017091 is about 3319.2003555073. The cubic root of 11017091 is about 222.5131314053.

It can be divided in two parts, 1101 and 7091, that added together give a 13-th power (8192 = 2¹³).

The spelling of 11017091 in words is "eleven million, seventeen thousand, ninety-one".