1199779361107 has 2 divisors, whose sum is σ = 1199779361108. Its totient is φ = 1199779361106.

The previous prime is 1199779361089. The next prime is 1199779361141. The reversal of 1199779361107 is 7011639779911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1199779361107 - 2⁷ = 1199779360979 is a prime.

It is a super-2 number, since 2×1199779361107² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1199770361107) 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, 599889680553 + 599889680554.

It is an arithmetic number, because the mean of its divisors is an integer number (599889680554).

Almost surely, 2^{1199779361107} is an apocalyptic number.

1199779361107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199779361107 is an equidigital number, since it uses as much as digits as its factorization.

1199779361107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500846, while the sum is 61.

The spelling of 1199779361107 in words is "one trillion, one hundred ninety-nine billion, seven hundred seventy-nine million, three hundred sixty-one thousand, one hundred seven".