2155051125 has 96 divisors (see below), whose sum is σ = 4165155072. Its totient is φ = 1069200000.

The previous prime is 2155051123. The next prime is 2155051133. The reversal of 2155051125 is 5211505512.

It is not a de Polignac number, because 2155051125 - 2¹ = 2155051123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155051123) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 956250 + ... + 958500.

It is an arithmetic number, because the mean of its divisors is an integer number (43387032).

Almost surely, 2^2155051125 is an apocalyptic number.

2155051125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2155051125 is a deficient number, since it is larger than the sum of its proper divisors (2010103947).

2155051125 is a wasteful number, since it uses less digits than its factorization.

2155051125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332 (or 2319 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The square root of 2155051125 is about 46422.5282056029. The cubic root of 2155051125 is about 1291.6728342867.

Adding to 2155051125 its reverse (5211505512), we get a palindrome (7366556637).

The spelling of 2155051125 in words is "two billion, one hundred fifty-five million, fifty-one thousand, one hundred twenty-five".