15020340305 has 8 divisors (see below), whose sum is σ = 18031624512. Its totient is φ = 12011461488.

The previous prime is 15020340299. The next prime is 15020340337. The reversal of 15020340305 is 50304302051.

15020340305 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 15020340305 - 2²² = 15016146001 is a prime.

It is a super-2 number, since 2×15020340305² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 587579 + ... + 612608.

It is an arithmetic number, because the mean of its divisors is an integer number (2253953064).

Almost surely, 2^15020340305 is an apocalyptic number.

It is an amenable number.

15020340305 is a deficient number, since it is larger than the sum of its proper divisors (3011284207).

15020340305 is a wasteful number, since it uses less digits than its factorization.

15020340305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202695.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 15020340305 its reverse (50304302051), we get a palindrome (65324642356).

The spelling of 15020340305 in words is "fifteen billion, twenty million, three hundred forty thousand, three hundred five".