13525784056 has 8 divisors (see below), whose sum is σ = 25360845120. Its totient is φ = 6762892024.

The previous prime is 13525784053. The next prime is 13525784101. The reversal of 13525784056 is 65048752531.

13525784056 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 (8).

It is a super-2 number, since 2×13525784056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13525783997 and 13525784015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13525784053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 845361496 + ... + 845361511.

It is an arithmetic number, because the mean of its divisors is an integer number (3170105640).

Almost surely, 2^13525784056 is an apocalyptic number.

It is an amenable number.

13525784056 is a deficient number, since it is larger than the sum of its proper divisors (11835061064).

13525784056 is a wasteful number, since it uses less digits than its factorization.

13525784056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690723013 (or 1690723009 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 13525784056 in words is "thirteen billion, five hundred twenty-five million, seven hundred eighty-four thousand, fifty-six".