2125504056 has 32 divisors (see below), whose sum is σ = 5722511760. Its totient is φ = 654001152.

The previous prime is 2125504049. The next prime is 2125504081. The reversal of 2125504056 is 6504055212.

It is a super-2 number, since 2×2125504056² = 9035534984144902272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3405945 + ... + 3406568.

Almost surely, 2^2125504056 is an apocalyptic number.

2125504056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2125504056 is an abundant number, since it is smaller than the sum of its proper divisors (3597007704).

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

2125504056 is a wasteful number, since it uses less digits than its factorization.

2125504056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812535 (or 6812531 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2125504056 is about 46103.1892172331. The cubic root of 2125504056 is about 1285.7424398350.

Adding to 2125504056 its reverse (6504055212), we get a palindrome (8629559268).

The spelling of 2125504056 in words is "two billion, one hundred twenty-five million, five hundred four thousand, fifty-six".