15340055405 has 4 divisors (see below), whose sum is σ = 18408066492. Its totient is φ = 12272044320.

The previous prime is 15340055351. The next prime is 15340055411. The reversal of 15340055405 is 50455004351.

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 7702344169 + 7637711236 = 87763^2 + 87394^2 .

It is not a de Polignac number, because 15340055405 - 2¹⁶ = 15339989869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1534005536 + ... + 1534005545.

It is an arithmetic number, because the mean of its divisors is an integer number (4602016623).

Almost surely, 2^15340055405 is an apocalyptic number.

It is an amenable number.

15340055405 is a deficient number, since it is larger than the sum of its proper divisors (3068011087).

15340055405 is an equidigital number, since it uses as much as digits as its factorization.

15340055405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068011086.

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 15340055405 its reverse (50455004351), we get a palindrome (65795059756).

The spelling of 15340055405 in words is "fifteen billion, three hundred forty million, fifty-five thousand, four hundred five".