320405242541115 has 16 divisors (see below), whose sum is σ = 512650132473600. Its totient is φ = 170882214552672.

The previous prime is 320405242541113. The next prime is 320405242541177. The reversal of 320405242541115 is 511145242504023.

It is not a de Polignac number, because 320405242541115 - 2¹ = 320405242541113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320405242541113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31768105 + ... + 40620474.

It is an arithmetic number, because the mean of its divisors is an integer number (32040633279600).

Almost surely, 2^{320405242541115} is an apocalyptic number.

320405242541115 is a deficient number, since it is larger than the sum of its proper divisors (192244889932485).

320405242541115 is a wasteful number, since it uses less digits than its factorization.

320405242541115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72683666.

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 320405242541115 in words is "three hundred twenty trillion, four hundred five billion, two hundred forty-two million, five hundred forty-one thousand, one hundred fifteen".