2125113445 has 32 divisors (see below), whose sum is σ = 3141895680. Its totient is φ = 1343727360.

The previous prime is 2125113443. The next prime is 2125113467. The reversal of 2125113445 is 5443115212.

It is not a de Polignac number, because 2125113445 - 2¹ = 2125113443 is a prime.

It is a super-2 number, since 2×2125113445² = 9032214308239536050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125113443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 598375 + ... + 601915.

It is an arithmetic number, because the mean of its divisors is an integer number (98184240).

Almost surely, 2^2125113445 is an apocalyptic number.

It is an amenable number.

2125113445 is a deficient number, since it is larger than the sum of its proper divisors (1016782235).

2125113445 is a wasteful number, since it uses less digits than its factorization.

2125113445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4885.

The product of its digits is 4800, while the sum is 28.

The square root of 2125113445 is about 46098.9527538316. The cubic root of 2125113445 is about 1285.6636732781.

Adding to 2125113445 its reverse (5443115212), we get a palindrome (7568228657).

The spelling of 2125113445 in words is "two billion, one hundred twenty-five million, one hundred thirteen thousand, four hundred forty-five".