2125235536 has 60 divisors (see below), whose sum is σ = 4311805500. Its totient is φ = 1013555200.

The previous prime is 2125235513. The next prime is 2125235591. The reversal of 2125235536 is 6355325212.

It can be written as a sum of positive squares in 6 ways, for example, as 787139136 + 1338096400 = 28056^2 + 36580^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4733040 + ... + 4733488.

It is an arithmetic number, because the mean of its divisors is an integer number (71863425).

Almost surely, 2^2125235536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2125235536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2155902750).

2125235536 is an abundant number, since it is smaller than the sum of its proper divisors (2186569964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2125235536 is a wasteful number, since it uses less digits than its factorization.

2125235536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 581 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The square root of 2125235536 is about 46100.2769622917. The cubic root of 2125235536 is about 1285.6882939178.

The spelling of 2125235536 in words is "two billion, one hundred twenty-five million, two hundred thirty-five thousand, five hundred thirty-six".