2565533914380 has 36 divisors (see below), whose sum is σ = 7782119540832. Its totient is φ = 684142377120.

The previous prime is 2565533914367. The next prime is 2565533914417. The reversal of 2565533914380 is 834193355652.

2565533914380 is a `hidden beast` number, since 2 + 5 + 6 + 553 + 3 + 9 + 1 + 4 + 3 + 80 = 666.

2565533914380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7126482916 + ... + 7126483275.

Almost surely, 2^{2565533914380} is an apocalyptic number.

2565533914380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2565533914380 is an abundant number, since it is smaller than the sum of its proper divisors (5216585626452).

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

2565533914380 is a wasteful number, since it uses less digits than its factorization.

2565533914380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14252966206 (or 14252966201 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 2565533914380 in words is "two trillion, five hundred sixty-five billion, five hundred thirty-three million, nine hundred fourteen thousand, three hundred eighty".