1118772719 has 2 divisors, whose sum is σ = 1118772720. Its totient is φ = 1118772718.

The previous prime is 1118772689. The next prime is 1118772727. The reversal of 1118772719 is 9172778111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1118772719 is a prime.

It is a super-2 number, since 2×1118772719² = 2503304793557305922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1118772719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118772119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559386359 + 559386360.

It is an arithmetic number, because the mean of its divisors is an integer number (559386360).

Almost surely, 2^1118772719 is an apocalyptic number.

1118772719 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118772719 is an equidigital number, since it uses as much as digits as its factorization.

1118772719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 44.

The square root of 1118772719 is about 33448.0600184824. The cubic root of 1118772719 is about 1038.1193573667.

The spelling of 1118772719 in words is "one billion, one hundred eighteen million, seven hundred seventy-two thousand, seven hundred nineteen".