2505552550278 has 64 divisors (see below), whose sum is σ = 5450083600320. Its totient is φ = 764697894912.

The previous prime is 2505552550271. The next prime is 2505552550289. The reversal of 2505552550278 is 8720552555052.

2505552550278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2505552550278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505552550271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27538750 + ... + 27629582.

It is an arithmetic number, because the mean of its divisors is an integer number (85157556255).

Almost surely, 2^{2505552550278} is an apocalyptic number.

2505552550278 is an abundant number, since it is smaller than the sum of its proper divisors (2944531050042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505552550278 is a wasteful number, since it uses less digits than its factorization.

2505552550278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98201.

The product of its (nonzero) digits is 7000000, while the sum is 51.

The spelling of 2505552550278 in words is "two trillion, five hundred five billion, five hundred fifty-two million, five hundred fifty thousand, two hundred seventy-eight".