525403113556 has 12 divisors (see below), whose sum is σ = 934528489300. Its totient is φ = 258394973760.

The previous prime is 525403113553. The next prime is 525403113577. The reversal of 525403113556 is 655311304525.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32551376400 + 492851737156 = 180420^2 + 702034^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525403113553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076645481 + ... + 1076645968.

Almost surely, 2^525403113556 is an apocalyptic number.

It is an amenable number.

525403113556 is a deficient number, since it is larger than the sum of its proper divisors (409125375744).

525403113556 is a wasteful number, since it uses less digits than its factorization.

525403113556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153291514 (or 2153291512 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 525403113556 in words is "five hundred twenty-five billion, four hundred three million, one hundred thirteen thousand, five hundred fifty-six".