320125440515 has 8 divisors (see below), whose sum is σ = 384291311040. Its totient is φ = 256006497472.

The previous prime is 320125440469. The next prime is 320125440563. The reversal of 320125440515 is 515044521023.

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

It is a cyclic number.

It is not a de Polignac number, because 320125440515 - 2⁸ = 320125440259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11716859 + ... + 11744148.

It is an arithmetic number, because the mean of its divisors is an integer number (48036413880).

Almost surely, 2^320125440515 is an apocalyptic number.

320125440515 is a deficient number, since it is larger than the sum of its proper divisors (64165870525).

320125440515 is a wasteful number, since it uses less digits than its factorization.

320125440515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23463741.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 320125440515 its reverse (515044521023), we get a palindrome (835169961538).

The spelling of 320125440515 in words is "three hundred twenty billion, one hundred twenty-five million, four hundred forty thousand, five hundred fifteen".