111710554102409 has 2 divisors, whose sum is σ = 111710554102410. Its totient is φ = 111710554102408.

The previous prime is 111710554102391. The next prime is 111710554102523. The reversal of 111710554102409 is 904201455017111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60347603530384 + 51362950572025 = 7768372^2 + 7166795^2 .

It is a cyclic number.

It is not a de Polignac number, because 111710554102409 - 2⁸ = 111710554102153 is a prime.

It is not a weakly prime, because it can be changed into another prime (111710554102109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55855277051204 + 55855277051205.

It is an arithmetic number, because the mean of its divisors is an integer number (55855277051205).

Almost surely, 2^{111710554102409} is an apocalyptic number.

It is an amenable number.

111710554102409 is a deficient number, since it is larger than the sum of its proper divisors (1).

111710554102409 is an equidigital number, since it uses as much as digits as its factorization.

111710554102409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 41.

The spelling of 111710554102409 in words is "one hundred eleven trillion, seven hundred ten billion, five hundred fifty-four million, one hundred two thousand, four hundred nine".