1406205592117 has 4 divisors (see below), whose sum is σ = 1406211532236. Its totient is φ = 1406199652000.

The previous prime is 1406205592109. The next prime is 1406205592139. The reversal of 1406205592117 is 7112955026041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 798451260721 + 607754331396 = 893561^2 + 779586^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406205592117 - 2³ = 1406205592109 is a prime.

It is a super-2 number, since 2×1406205592117² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406205590117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2599558 + ... + 3093559.

It is an arithmetic number, because the mean of its divisors is an integer number (351552883059).

Almost surely, 2^{1406205592117} is an apocalyptic number.

It is an amenable number.

1406205592117 is a deficient number, since it is larger than the sum of its proper divisors (5940119).

1406205592117 is an equidigital number, since it uses as much as digits as its factorization.

1406205592117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940118.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 1406205592117 in words is "one trillion, four hundred six billion, two hundred five million, five hundred ninety-two thousand, one hundred seventeen".