2151716055 has 32 divisors (see below), whose sum is σ = 3525237504. Its totient is φ = 1120390656.

The previous prime is 2151716051. The next prime is 2151716183. The reversal of 2151716055 is 5506171512.

It is a happy number.

It is not a de Polignac number, because 2151716055 - 2² = 2151716051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151716051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104092 + ... + 123038.

It is an arithmetic number, because the mean of its divisors is an integer number (110163672).

Almost surely, 2^2151716055 is an apocalyptic number.

2151716055 is a deficient number, since it is larger than the sum of its proper divisors (1373521449).

2151716055 is a wasteful number, since it uses less digits than its factorization.

2151716055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19135.

The product of its (nonzero) digits is 10500, while the sum is 33.

The square root of 2151716055 is about 46386.5934834624. The cubic root of 2151716055 is about 1291.0061767173.

Adding to 2151716055 its reverse (5506171512), we get a palindrome (7657887567).

The spelling of 2151716055 in words is "two billion, one hundred fifty-one million, seven hundred sixteen thousand, fifty-five".