320104253155 has 16 divisors (see below), whose sum is σ = 397464562080. Its totient is φ = 247194597888.

The previous prime is 320104253093. The next prime is 320104253173. The reversal of 320104253155 is 551352401023.

It is a cyclic number.

It is not a de Polignac number, because 320104253155 - 2³⁵ = 285744514787 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361264 + ... + 877906.

It is an arithmetic number, because the mean of its divisors is an integer number (24841535130).

Almost surely, 2^320104253155 is an apocalyptic number.

320104253155 is a deficient number, since it is larger than the sum of its proper divisors (77360308925).

320104253155 is a wasteful number, since it uses less digits than its factorization.

320104253155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520950.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 320104253155 its reverse (551352401023), we get a palindrome (871456654178).

The spelling of 320104253155 in words is "three hundred twenty billion, one hundred four million, two hundred fifty-three thousand, one hundred fifty-five".