2505280000055 has 16 divisors (see below), whose sum is σ = 3437285385024. Its totient is φ = 1717169879040.

The previous prime is 2505280000031. The next prime is 2505280000079. The reversal of 2505280000055 is 5500000825052.

It is an interprime number because it is at equal distance from previous prime (2505280000031) and next prime (2505280000079).

It is not a de Polignac number, because 2505280000055 - 2⁶ = 2505279999991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2505279999976 and 2505280000030.

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 15 ways as a sum of consecutive naturals, for example, 15258986 + ... + 15422295.

It is an arithmetic number, because the mean of its divisors is an integer number (214830336564).

Almost surely, 2^{2505280000055} is an apocalyptic number.

2505280000055 is a deficient number, since it is larger than the sum of its proper divisors (932005384969).

2505280000055 is a wasteful number, since it uses less digits than its factorization.

2505280000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30683626.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 2505280000055 in words is "two trillion, five hundred five billion, two hundred eighty million, fifty-five", and thus it is an aban number.