815340332355 has 8 divisors (see below), whose sum is σ = 1304544531792. Its totient is φ = 434848177248.

The previous prime is 815340332347. The next prime is 815340332369. The reversal of 815340332355 is 553233043518.

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

It is not a de Polignac number, because 815340332355 - 2³ = 815340332347 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 27178011064 + ... + 27178011093.

It is an arithmetic number, because the mean of its divisors is an integer number (163068066474).

Almost surely, 2^815340332355 is an apocalyptic number.

815340332355 is a deficient number, since it is larger than the sum of its proper divisors (489204199437).

815340332355 is a wasteful number, since it uses less digits than its factorization.

815340332355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54356022165.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 815340332355 in words is "eight hundred fifteen billion, three hundred forty million, three hundred thirty-two thousand, three hundred fifty-five".