525442111130053 has 4 divisors (see below), whose sum is σ = 565860735063148. Its totient is φ = 485023487196960.

The previous prime is 525442111130039. The next prime is 525442111130093. The reversal of 525442111130053 is 350031111244525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 237815198302564 + 287626912827489 = 15421258^2 + 16959567^2 .

It is a cyclic number.

It is not a de Polignac number, because 525442111130053 - 2²⁵ = 525442077575621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525442111129994 and 525442111130021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525442111130033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20209311966528 + ... + 20209311966553.

It is an arithmetic number, because the mean of its divisors is an integer number (141465183765787).

Almost surely, 2^{525442111130053} is an apocalyptic number.

It is an amenable number.

525442111130053 is a deficient number, since it is larger than the sum of its proper divisors (40418623933095).

525442111130053 is a wasteful number, since it uses less digits than its factorization.

525442111130053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40418623933094.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 525442111130053 its reverse (350031111244525), we get a palindrome (875473222374578).

The spelling of 525442111130053 in words is "five hundred twenty-five trillion, four hundred forty-two billion, one hundred eleven million, one hundred thirty thousand, fifty-three".