1002340205155 has 16 divisors (see below), whose sum is σ = 1275165506304. Its totient is φ = 755032199040.

The previous prime is 1002340205143. The next prime is 1002340205159. The reversal of 1002340205155 is 5515020432001.

It is a de Polignac number, because none of the positive numbers 2^k-1002340205155 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002340205159) 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, 87382252 + ... + 87393721.

It is an arithmetic number, because the mean of its divisors is an integer number (79697844144).

Almost surely, 2^{1002340205155} is an apocalyptic number.

1002340205155 is a deficient number, since it is larger than the sum of its proper divisors (272825301149).

1002340205155 is a wasteful number, since it uses less digits than its factorization.

1002340205155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174776046.

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

Adding to 1002340205155 its reverse (5515020432001), we get a palindrome (6517360637156).

The spelling of 1002340205155 in words is "one trillion, two billion, three hundred forty million, two hundred five thousand, one hundred fifty-five".