1101639179 has 2 divisors, whose sum is σ = 1101639180. Its totient is φ = 1101639178.

The previous prime is 1101639139. The next prime is 1101639181. The reversal of 1101639179 is 9719361011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101639179 - 2¹² = 1101635083 is a prime.

Together with 1101639181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1101639109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550819589 + 550819590.

It is an arithmetic number, because the mean of its divisors is an integer number (550819590).

Almost surely, 2^1101639179 is an apocalyptic number.

1101639179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101639179 is an equidigital number, since it uses as much as digits as its factorization.

1101639179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 38.

The square root of 1101639179 is about 33190.9502575627. The cubic root of 1101639179 is about 1032.7926160882.

The spelling of 1101639179 in words is "one billion, one hundred one million, six hundred thirty-nine thousand, one hundred seventy-nine".