1110209978939 has 2 divisors, whose sum is σ = 1110209978940. Its totient is φ = 1110209978938.

The previous prime is 1110209978923. The next prime is 1110209978963. The reversal of 1110209978939 is 9398799020111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1110209978939 - 2⁴ = 1110209978923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110209978639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555104989469 + 555104989470.

It is an arithmetic number, because the mean of its divisors is an integer number (555104989470).

Almost surely, 2^{1110209978939} is an apocalyptic number.

1110209978939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110209978939 is an equidigital number, since it uses as much as digits as its factorization.

1110209978939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 59.

The spelling of 1110209978939 in words is "one trillion, one hundred ten billion, two hundred nine million, nine hundred seventy-eight thousand, nine hundred thirty-nine".