1101491179 has 2 divisors, whose sum is σ = 1101491180. Its totient is φ = 1101491178.

The previous prime is 1101491177. The next prime is 1101491191. The reversal of 1101491179 is 9711941011.

It is a weak prime.

It is an emirp because it is prime and its reverse (9711941011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101491179 - 2¹ = 1101491177 is a prime.

Together with 1101491177, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1101491177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550745589 + 550745590.

It is an arithmetic number, because the mean of its divisors is an integer number (550745590).

Almost surely, 2^1101491179 is an apocalyptic number.

1101491179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101491179 is an equidigital number, since it uses as much as digits as its factorization.

1101491179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 34.

The square root of 1101491179 is about 33188.7206592842. The cubic root of 1101491179 is about 1032.7463637533.

The spelling of 1101491179 in words is "one billion, one hundred one million, four hundred ninety-one thousand, one hundred seventy-nine".