2105104155 has 96 divisors (see below), whose sum is σ = 4295972352. Its totient is φ = 861442560.

The previous prime is 2105104117. The next prime is 2105104181. The reversal of 2105104155 is 5514015012.

It is not a de Polignac number, because 2105104155 - 2⁶ = 2105104091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 849999 + ... + 852471.

It is an arithmetic number, because the mean of its divisors is an integer number (44749712).

Almost surely, 2^2105104155 is an apocalyptic number.

2105104155 is an abundant number, since it is smaller than the sum of its proper divisors (2190868197).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105104155 is a wasteful number, since it uses less digits than its factorization.

2105104155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577 (or 2566 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 2105104155 is about 45881.4140475204. The cubic root of 2105104155 is about 1281.6158294488.

Adding to 2105104155 its reverse (5514015012), we get a palindrome (7619119167).

The spelling of 2105104155 in words is "two billion, one hundred five million, one hundred four thousand, one hundred fifty-five".