2108700155 has 16 divisors (see below), whose sum is σ = 2577343968. Its totient is φ = 1655808000.

The previous prime is 2108700133. The next prime is 2108700203. The reversal of 2108700155 is 5510078012.

It is not a de Polignac number, because 2108700155 - 2¹² = 2108696059 is a prime.

It is a Duffinian number.

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, 142715 + ... + 156795.

It is an arithmetic number, because the mean of its divisors is an integer number (161083998).

Almost surely, 2^2108700155 is an apocalyptic number.

2108700155 is a deficient number, since it is larger than the sum of its proper divisors (468643813).

2108700155 is a wasteful number, since it uses less digits than its factorization.

2108700155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14638.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 2108700155 is about 45920.5853076809. The cubic root of 2108700155 is about 1282.3451787570.

Adding to 2108700155 its reverse (5510078012), we get a palindrome (7618778167).

The spelling of 2108700155 in words is "two billion, one hundred eight million, seven hundred thousand, one hundred fifty-five".