2125113655 has 8 divisors (see below), whose sum is σ = 2914441632. Its totient is φ = 1457220768.

The previous prime is 2125113647. The next prime is 2125113703. The reversal of 2125113655 is 5563115212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2125113655 - 2³ = 2125113647 is a prime.

It is a super-2 number, since 2×2125113655² = 9032216093334918050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30358732 + ... + 30358801.

It is an arithmetic number, because the mean of its divisors is an integer number (364305204).

Almost surely, 2^2125113655 is an apocalyptic number.

2125113655 is a deficient number, since it is larger than the sum of its proper divisors (789327977).

2125113655 is an equidigital number, since it uses as much as digits as its factorization.

2125113655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60717545.

The product of its digits is 9000, while the sum is 31.

The square root of 2125113655 is about 46098.9550315406. The cubic root of 2125113655 is about 1285.6637156271.

Adding to 2125113655 its reverse (5563115212), we get a palindrome (7688228867).

The spelling of 2125113655 in words is "two billion, one hundred twenty-five million, one hundred thirteen thousand, six hundred fifty-five".