1050405052405 has 8 divisors (see below), whose sum is σ = 1264513176792. Its totient is φ = 837639299328.

The previous prime is 1050405052399. The next prime is 1050405052423. The reversal of 1050405052405 is 5042505040501.

It can be written as a sum of positive squares in 4 ways, for example, as 50870998116 + 999534054289 = 225546^2 + 999767^2 .

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 1050405052405 - 2⁵ = 1050405052373 is a prime.

It is a super-2 number, since 2×1050405052405² (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, 335591104 + ... + 335594233.

It is an arithmetic number, because the mean of its divisors is an integer number (158064147099).

Almost surely, 2^{1050405052405} is an apocalyptic number.

It is an amenable number.

1050405052405 is a deficient number, since it is larger than the sum of its proper divisors (214108124387).

1050405052405 is an equidigital number, since it uses as much as digits as its factorization.

1050405052405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671185655.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 1050405052405 in words is "one trillion, fifty billion, four hundred five million, fifty-two thousand, four hundred five".