2521061055 has 12 divisors (see below), whose sum is σ = 4369839240. Its totient is φ = 1344565872.

The previous prime is 2521061051. The next prime is 2521061111. The reversal of 2521061055 is 5501601252.

2521061055 is a `hidden beast` number, since 25 + 21 + 0 + 610 + 5 + 5 = 666.

It is not a de Polignac number, because 2521061055 - 2² = 2521061051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521061051) 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 11 ways as a sum of consecutive naturals, for example, 28011745 + ... + 28011834.

It is an arithmetic number, because the mean of its divisors is an integer number (364153270).

Almost surely, 2^2521061055 is an apocalyptic number.

2521061055 is a deficient number, since it is larger than the sum of its proper divisors (1848778185).

2521061055 is a wasteful number, since it uses less digits than its factorization.

2521061055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56023590 (or 56023587 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 2521061055 is about 50210.1688405845. The cubic root of 2521061055 is about 1361.0093888766.

The spelling of 2521061055 in words is "two billion, five hundred twenty-one million, sixty-one thousand, fifty-five".