14285728515 has 8 divisors (see below), whose sum is σ = 22857165648. Its totient is φ = 7619055200.

The previous prime is 14285728511. The next prime is 14285728573. The reversal of 14285728515 is 51582758241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14285728515 - 2² = 14285728511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14285728511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476190936 + ... + 476190965.

It is an arithmetic number, because the mean of its divisors is an integer number (2857145706).

Almost surely, 2^14285728515 is an apocalyptic number.

14285728515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14285728515 is a deficient number, since it is larger than the sum of its proper divisors (8571437133).

14285728515 is an equidigital number, since it uses as much as digits as its factorization.

14285728515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952381909.

The product of its digits is 896000, while the sum is 48.

The spelling of 14285728515 in words is "fourteen billion, two hundred eighty-five million, seven hundred twenty-eight thousand, five hundred fifteen".