16452515315 has 4 divisors (see below), whose sum is σ = 19743018384. Its totient is φ = 13162012248.

The previous prime is 16452515309. The next prime is 16452515327. The reversal of 16452515315 is 51351525461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16452515315 - 2²⁸ = 16184079859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645251527 + ... + 1645251536.

It is an arithmetic number, because the mean of its divisors is an integer number (4935754596).

Almost surely, 2^16452515315 is an apocalyptic number.

16452515315 is a deficient number, since it is larger than the sum of its proper divisors (3290503069).

16452515315 is an equidigital number, since it uses as much as digits as its factorization.

16452515315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290503068.

The product of its digits is 90000, while the sum is 38.

The spelling of 16452515315 in words is "sixteen billion, four hundred fifty-two million, five hundred fifteen thousand, three hundred fifteen".