320125571155 has 16 divisors (see below), whose sum is σ = 422502885504. Its totient is φ = 231370623360.

The previous prime is 320125571147. The next prime is 320125571173. The reversal of 320125571155 is 551175521023.

It is not a de Polignac number, because 320125571155 - 2³ = 320125571147 is a prime.

It is a Duffinian number.

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, 52390656 + ... + 52396765.

It is an arithmetic number, because the mean of its divisors is an integer number (26406430344).

Almost surely, 2^320125571155 is an apocalyptic number.

320125571155 is a deficient number, since it is larger than the sum of its proper divisors (102377314349).

320125571155 is a wasteful number, since it uses less digits than its factorization.

320125571155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104787486.

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 320125571155 in words is "three hundred twenty billion, one hundred twenty-five million, five hundred seventy-one thousand, one hundred fifty-five".