2500530053256 has 24 divisors (see below), whose sum is σ = 6772268894430. Its totient is φ = 833510017728.

The previous prime is 2500530053249. The next prime is 2500530053291. The reversal of 2500530053256 is 6523500350052.

2500530053256 is a `hidden beast` number, since 2 + 50 + 0 + 5 + 300 + 53 + 256 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1480967302500 + 1019562750756 = 1216950^2 + 1009734^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2500530053256.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17364791965 + ... + 17364792108.

Almost surely, 2^{2500530053256} is an apocalyptic number.

It is an amenable number.

2500530053256 is an abundant number, since it is smaller than the sum of its proper divisors (4271738841174).

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

2500530053256 is a wasteful number, since it uses less digits than its factorization.

2500530053256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34729584085 (or 34729584078 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 2500530053256 in words is "two trillion, five hundred billion, five hundred thirty million, fifty-three thousand, two hundred fifty-six".