2125526555 has 4 divisors (see below), whose sum is σ = 2550631872. Its totient is φ = 1700421240.

The previous prime is 2125526549. The next prime is 2125526591. The reversal of 2125526555 is 5556255212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2125526555 - 2¹⁰ = 2125525531 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 212552651 + ... + 212552660.

It is an arithmetic number, because the mean of its divisors is an integer number (637657968).

Almost surely, 2^2125526555 is an apocalyptic number.

2125526555 is a deficient number, since it is larger than the sum of its proper divisors (425105317).

2125526555 is an equidigital number, since it uses as much as digits as its factorization.

2125526555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425105316.

The product of its digits is 150000, while the sum is 38.

The square root of 2125526555 is about 46103.4332235681. The cubic root of 2125526555 is about 1285.7469764557.

The spelling of 2125526555 in words is "two billion, one hundred twenty-five million, five hundred twenty-six thousand, five hundred fifty-five".