128453159815 has 4 divisors (see below), whose sum is σ = 154143791784. Its totient is φ = 102762527848.

The previous prime is 128453159803. The next prime is 128453159831. The reversal of 128453159815 is 518951354821.

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 128453159815 - 2¹⁹ = 128452635527 is a prime.

It is a Duffinian number.

It is a congruent 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, 12845315977 + ... + 12845315986.

It is an arithmetic number, because the mean of its divisors is an integer number (38535947946).

Almost surely, 2^128453159815 is an apocalyptic number.

128453159815 is a deficient number, since it is larger than the sum of its proper divisors (25690631969).

128453159815 is an equidigital number, since it uses as much as digits as its factorization.

128453159815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25690631968.

The product of its digits is 1728000, while the sum is 52.

The spelling of 128453159815 in words is "one hundred twenty-eight billion, four hundred fifty-three million, one hundred fifty-nine thousand, eight hundred fifteen".