2155114084 has 12 divisors (see below), whose sum is σ = 3773737324. Its totient is φ = 1076903424.

The previous prime is 2155114069. The next prime is 2155114133. The reversal of 2155114084 is 4804115512.

It can be written as a sum of positive squares in 2 ways, for example, as 1177176100 + 977937984 = 34310^2 + 31272^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155949 + ... + 169204.

Almost surely, 2^2155114084 is an apocalyptic number.

It is an amenable number.

2155114084 is a deficient number, since it is larger than the sum of its proper divisors (1618623240).

2155114084 is a wasteful number, since it uses less digits than its factorization.

2155114084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326814 (or 326812 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 2155114084 is about 46423.2063089141. The cubic root of 2155114084 is about 1291.6854127412.

Adding to 2155114084 its reverse (4804115512), we get a palindrome (6959229596).

The spelling of 2155114084 in words is "two billion, one hundred fifty-five million, one hundred fourteen thousand, eighty-four".