2002155107205 has 16 divisors (see below), whose sum is σ = 3494670732864. Its totient is φ = 970741870080.

The previous prime is 2002155107177. The next prime is 2002155107209. The reversal of 2002155107205 is 5027015512002.

It is not a de Polignac number, because 2002155107205 - 2¹⁰ = 2002155106181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002155107209) 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, 6067136524 + ... + 6067136853.

It is an arithmetic number, because the mean of its divisors is an integer number (218416920804).

Almost surely, 2^{2002155107205} is an apocalyptic number.

It is an amenable number.

2002155107205 is a deficient number, since it is larger than the sum of its proper divisors (1492515625659).

2002155107205 is a wasteful number, since it uses less digits than its factorization.

2002155107205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12134273396.

The product of its (nonzero) digits is 7000, while the sum is 30.

The spelling of 2002155107205 in words is "two trillion, two billion, one hundred fifty-five million, one hundred seven thousand, two hundred five".