2125256455 has 16 divisors (see below), whose sum is σ = 2924599104. Its totient is φ = 1452337920.

The previous prime is 2125256447. The next prime is 2125256459. The reversal of 2125256455 is 5546525212.

It is not a de Polignac number, because 2125256455 - 2³ = 2125256447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125256459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93366 + ... + 113875.

It is an arithmetic number, because the mean of its divisors is an integer number (182787444).

Almost surely, 2^2125256455 is an apocalyptic number.

2125256455 is a deficient number, since it is larger than the sum of its proper divisors (799342649).

2125256455 is a wasteful number, since it uses less digits than its factorization.

2125256455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207546.

The product of its digits is 120000, while the sum is 37.

The square root of 2125256455 is about 46100.5038475720. The cubic root of 2125256455 is about 1285.6925123091.

The spelling of 2125256455 in words is "two billion, one hundred twenty-five million, two hundred fifty-six thousand, four hundred fifty-five".