1119111977 has 2 divisors, whose sum is σ = 1119111978. Its totient is φ = 1119111976.

The previous prime is 1119111967. The next prime is 1119111979. The reversal of 1119111977 is 7791119111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 752734096 + 366377881 = 27436^2 + 19141^2 .

It is an emirp because it is prime and its reverse (7791119111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1119111977 - 2¹⁶ = 1119046441 is a prime.

Together with 1119111979, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1119111977.

It is not a weakly prime, because it can be changed into another prime (1119111979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559555988 + 559555989.

It is an arithmetic number, because the mean of its divisors is an integer number (559555989).

Almost surely, 2^1119111977 is an apocalyptic number.

It is an amenable number.

1119111977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119111977 is an equidigital number, since it uses as much as digits as its factorization.

1119111977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969, while the sum is 38.

The square root of 1119111977 is about 33453.1310492755. The cubic root of 1119111977 is about 1038.2242802872.

The spelling of 1119111977 in words is "one billion, one hundred nineteen million, one hundred eleven thousand, nine hundred seventy-seven".