320100051355 has 16 divisors (see below), whose sum is σ = 443097112320. Its totient is φ = 217445800032.

The previous prime is 320100051347. The next prime is 320100051361. The reversal of 320100051355 is 553150001023.

It is a cyclic number.

It is not a de Polignac number, because 320100051355 - 2³ = 320100051347 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, 42733245 + ... + 42740734.

It is an arithmetic number, because the mean of its divisors is an integer number (27693569520).

Almost surely, 2^320100051355 is an apocalyptic number.

320100051355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

320100051355 is a deficient number, since it is larger than the sum of its proper divisors (122997060965).

320100051355 is a wasteful number, since it uses less digits than its factorization.

320100051355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85474098.

The product of its (nonzero) digits is 2250, while the sum is 25.

Adding to 320100051355 its reverse (553150001023), we get a palindrome (873250052378).

The spelling of 320100051355 in words is "three hundred twenty billion, one hundred million, fifty-one thousand, three hundred fifty-five".