2155767112 has 16 divisors (see below), whose sum is σ = 4151308860. Its totient is φ = 1048751424.

The previous prime is 2155767071. The next prime is 2155767169. The reversal of 2155767112 is 2117675512.

It can be written as a sum of positive squares in 2 ways, for example, as 2045391076 + 110376036 = 45226^2 + 10506^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 3641203 + ... + 3641794.

Almost surely, 2^2155767112 is an apocalyptic number.

It is an amenable number.

2155767112 is a deficient number, since it is larger than the sum of its proper divisors (1995541748).

2155767112 is a wasteful number, since it uses less digits than its factorization.

2155767112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7283040 (or 7283036 counting only the distinct ones).

The product of its digits is 29400, while the sum is 37.

The square root of 2155767112 is about 46430.2391981777. The cubic root of 2155767112 is about 1291.8158654729.

The spelling of 2155767112 in words is "two billion, one hundred fifty-five million, seven hundred sixty-seven thousand, one hundred twelve".