1100011279 has 2 divisors, whose sum is σ = 1100011280. Its totient is φ = 1100011278.

The previous prime is 1100011277. The next prime is 1100011309. The reversal of 1100011279 is 9721100011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100011279 - 2¹ = 1100011277 is a prime.

Together with 1100011277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100011273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550005639 + 550005640.

It is an arithmetic number, because the mean of its divisors is an integer number (550005640).

Almost surely, 2^1100011279 is an apocalyptic number.

1100011279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100011279 is an equidigital number, since it uses as much as digits as its factorization.

1100011279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 1100011279 is about 33166.4179404409. The cubic root of 1100011279 is about 1032.2836436526.

The spelling of 1100011279 in words is "one billion, one hundred million, eleven thousand, two hundred seventy-nine".