525444360828136 has 8 divisors (see below), whose sum is σ = 985208176552770. Its totient is φ = 262722180414064.

The previous prime is 525444360828109. The next prime is 525444360828139. The reversal of 525444360828136 is 631828063444525.

It can be written as a sum of positive squares in only one way, i.e., 404583053062500 + 120861307765636 = 20114250^2 + 10993694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (525444360828139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32840272551751 + ... + 32840272551766.

Almost surely, 2^{525444360828136} is an apocalyptic number.

It is an amenable number.

525444360828136 is a deficient number, since it is larger than the sum of its proper divisors (459763815724634).

525444360828136 is a wasteful number, since it uses less digits than its factorization.

525444360828136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65680545103523 (or 65680545103519 counting only the distinct ones).

The product of its (nonzero) digits is 132710400, while the sum is 61.

The spelling of 525444360828136 in words is "five hundred twenty-five trillion, four hundred forty-four billion, three hundred sixty million, eight hundred twenty-eight thousand, one hundred thirty-six".