15014113505 has 4 divisors (see below), whose sum is σ = 18016936212. Its totient is φ = 12011290800.

The previous prime is 15014113403. The next prime is 15014113511. The reversal of 15014113505 is 50531141051.

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 1606326241 + 13407787264 = 40079^2 + 115792^2 .

It is not a de Polignac number, because 15014113505 - 2¹⁰ = 15014112481 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501411346 + ... + 1501411355.

It is an arithmetic number, because the mean of its divisors is an integer number (4504234053).

Almost surely, 2^15014113505 is an apocalyptic number.

It is an amenable number.

15014113505 is a deficient number, since it is larger than the sum of its proper divisors (3002822707).

15014113505 is an equidigital number, since it uses as much as digits as its factorization.

15014113505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002822706.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 15014113505 its reverse (50531141051), we get a palindrome (65545254556).

The spelling of 15014113505 in words is "fifteen billion, fourteen million, one hundred thirteen thousand, five hundred five".