405515001013 has 32 divisors (see below), whose sum is σ = 447529017600. Its totient is φ = 365724570624.

The previous prime is 405515001011. The next prime is 405515001091. The reversal of 405515001013 is 310100515504.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 405515001013 - 2¹ = 405515001011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405515001011) 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 in 31 ways as a sum of consecutive naturals, for example, 58369206 + ... + 58376152.

It is an arithmetic number, because the mean of its divisors is an integer number (13985281800).

Almost surely, 2^405515001013 is an apocalyptic number.

It is an amenable number.

405515001013 is a deficient number, since it is larger than the sum of its proper divisors (42014016587).

405515001013 is a wasteful number, since it uses less digits than its factorization.

405515001013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7869.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 405515001013 its reverse (310100515504), we get a palindrome (715615516517).

The spelling of 405515001013 in words is "four hundred five billion, five hundred fifteen million, one thousand, thirteen".