2505120055 has 8 divisors (see below), whose sum is σ = 3006457344. Its totient is φ = 2003887200.

The previous prime is 2505120031. The next prime is 2505120067. The reversal of 2505120055 is 5500215052.

It is a happy number.

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

It is not a de Polignac number, because 2505120055 - 2¹³ = 2505111863 is a prime.

It is a super-3 number, since 3×2505120055³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43585 + ... + 83125.

It is an arithmetic number, because the mean of its divisors is an integer number (375807168).

Almost surely, 2^2505120055 is an apocalyptic number.

2505120055 is a deficient number, since it is larger than the sum of its proper divisors (501337289).

2505120055 is a wasteful number, since it uses less digits than its factorization.

2505120055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52217.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 2505120055 is about 50051.1743618469. The cubic root of 2505120055 is about 1358.1347076634.

The spelling of 2505120055 in words is "two billion, five hundred five million, one hundred twenty thousand, fifty-five".