320055551415 has 48 divisors (see below), whose sum is σ = 561573885600. Its totient is φ = 168613297920.

The previous prime is 320055551383. The next prime is 320055551419. The reversal of 320055551415 is 514155550023.

It is not a de Polignac number, because 320055551415 - 2⁵ = 320055551383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320055551415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320055551419) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1081744 + ... + 1345466.

It is an arithmetic number, because the mean of its divisors is an integer number (11699455950).

Almost surely, 2^320055551415 is an apocalyptic number.

320055551415 is a deficient number, since it is larger than the sum of its proper divisors (241518334185).

320055551415 is a wasteful number, since it uses less digits than its factorization.

320055551415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264064 (or 264061 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 320055551415 in words is "three hundred twenty billion, fifty-five million, five hundred fifty-one thousand, four hundred fifteen".