1002406605205 has 8 divisors (see below), whose sum is σ = 1220841477792. Its totient is φ = 789956249808.

The previous prime is 1002406605197. The next prime is 1002406605253. The reversal of 1002406605205 is 5025066042001.

1002406605205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002406605205 - 2³ = 1002406605197 is a prime.

It is a super-2 number, since 2×1002406605205² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1496128927 + ... + 1496129596.

It is an arithmetic number, because the mean of its divisors is an integer number (152605184724).

Almost surely, 2^{1002406605205} is an apocalyptic number.

It is an amenable number.

1002406605205 is a deficient number, since it is larger than the sum of its proper divisors (218434872587).

1002406605205 is an equidigital number, since it uses as much as digits as its factorization.

1002406605205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992258595.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 1002406605205 in words is "one trillion, two billion, four hundred six million, six hundred five thousand, two hundred five".