525355644120255 has 96 divisors (see below), whose sum is σ = 989975743900416. Its totient is φ = 256192248840192.

The previous prime is 525355644120253. The next prime is 525355644120353. The reversal of 525355644120255 is 552021446553525.

525355644120255 is a `hidden beast` number, since 5 + 2 + 5 + 3 + 5 + 564 + 4 + 1 + 20 + 2 + 55 = 666.

It is not a de Polignac number, because 525355644120255 - 2¹ = 525355644120253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525355644120253) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16321722 + ... + 36292008.

It is an arithmetic number, because the mean of its divisors is an integer number (10312247332296).

Almost surely, 2^{525355644120255} is an apocalyptic number.

525355644120255 is a deficient number, since it is larger than the sum of its proper divisors (464620099780161).

525355644120255 is a wasteful number, since it uses less digits than its factorization.

525355644120255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19970737 (or 19970734 counting only the distinct ones).

The product of its (nonzero) digits is 36000000, while the sum is 54.

The spelling of 525355644120255 in words is "five hundred twenty-five trillion, three hundred fifty-five billion, six hundred forty-four million, one hundred twenty thousand, two hundred fifty-five".