2111036346409 has 2 divisors, whose sum is σ = 2111036346410. Its totient is φ = 2111036346408.

The previous prime is 2111036346389. The next prime is 2111036346431. The reversal of 2111036346409 is 9046436301112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1429586096409 + 681450250000 = 1195653^2 + 825500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111036346409 - 2⁷ = 2111036346281 is a prime.

It is a super-3 number, since 3×2111036346409³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2111036346439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055518173204 + 1055518173205.

It is an arithmetic number, because the mean of its divisors is an integer number (1055518173205).

Almost surely, 2^{2111036346409} is an apocalyptic number.

It is an amenable number.

2111036346409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111036346409 is an equidigital number, since it uses as much as digits as its factorization.

2111036346409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 2111036346409 in words is "two trillion, one hundred eleven billion, thirty-six million, three hundred forty-six thousand, four hundred nine".