525141455121 has 28 divisors (see below), whose sum is σ = 787647317748. Its totient is φ = 349962993504.

The previous prime is 525141455029. The next prime is 525141455123. The reversal of 525141455121 is 121554141525.

525141455121 is a `hidden beast` number, since 5 + 2 + 514 + 14 + 5 + 5 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 72900000000 + 452241455121 = 270000^2 + 672489^2 .

It is not a de Polignac number, because 525141455121 - 2¹¹ = 525141453073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525141455123) 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 27 ways as a sum of consecutive naturals, for example, 1829451 + ... + 2096943.

Almost surely, 2^525141455121 is an apocalyptic number.

It is an amenable number.

525141455121 is a deficient number, since it is larger than the sum of its proper divisors (262505862627).

525141455121 is an equidigital number, since it uses as much as digits as its factorization.

525141455121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270204 (or 270189 counting only the distinct ones).

The product of its digits is 40000, while the sum is 36.

Adding to 525141455121 its reverse (121554141525), we get a palindrome (646695596646).

The spelling of 525141455121 in words is "five hundred twenty-five billion, one hundred forty-one million, four hundred fifty-five thousand, one hundred twenty-one".