320140102555 has 16 divisors (see below), whose sum is σ = 472822305984. Its totient is φ = 202638130560.

The previous prime is 320140102553. The next prime is 320140102609. The reversal of 320140102555 is 555201041023.

It is not a de Polignac number, because 320140102555 - 2¹ = 320140102553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320140102553) 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, 351801856 + ... + 351802765.

It is an arithmetic number, because the mean of its divisors is an integer number (29551394124).

Almost surely, 2^320140102555 is an apocalyptic number.

320140102555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

320140102555 is a deficient number, since it is larger than the sum of its proper divisors (152682203429).

320140102555 is a wasteful number, since it uses less digits than its factorization.

320140102555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703604646.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 320140102555 its reverse (555201041023), we get a palindrome (875341143578).

The spelling of 320140102555 in words is "three hundred twenty billion, one hundred forty million, one hundred two thousand, five hundred fifty-five".