15005050500505 has 8 divisors (see below), whose sum is σ = 19391142185352. Its totient is φ = 11080652677248.

The previous prime is 15005050500487. The next prime is 15005050500527. The reversal of 15005050500505 is 50500505050051.

It can be written as a sum of positive squares in 4 ways, for example, as 4201113856 + 15000849386649 = 64816^2 + 3873093^2 .

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 15005050500505 - 2²³ = 15005042111897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 115423465324 + ... + 115423465453.

It is an arithmetic number, because the mean of its divisors is an integer number (2423892773169).

Almost surely, 2^{15005050500505} is an apocalyptic number.

It is an amenable number.

15005050500505 is a deficient number, since it is larger than the sum of its proper divisors (4386091684847).

15005050500505 is a wasteful number, since it uses less digits than its factorization.

15005050500505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230846930795.

The product of its (nonzero) digits is 15625, while the sum is 31.

Adding to 15005050500505 its reverse (50500505050051), we get a palindrome (65505555550556).

The spelling of 15005050500505 in words is "fifteen trillion, five billion, fifty million, five hundred thousand, five hundred five".