525315323222142 has 32 divisors (see below), whose sum is σ = 1068544148780160. Its totient is φ = 172120114036320.

The previous prime is 525315323222111. The next prime is 525315323222143. The reversal of 525315323222142 is 241222323513525.

It is a junction number, because it is equal to n+sod(n) for n = 525315323222094 and 525315323222103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525315323222143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70185628 + ... + 77308815.

It is an arithmetic number, because the mean of its divisors is an integer number (33392004649380).

Almost surely, 2^{525315323222142} is an apocalyptic number.

525315323222142 is an abundant number, since it is smaller than the sum of its proper divisors (543228825558018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525315323222142 is a wasteful number, since it uses less digits than its factorization.

525315323222142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147504568.

The product of its digits is 864000, while the sum is 42.

Adding to 525315323222142 its reverse (241222323513525), we get a palindrome (766537646735667).

The spelling of 525315323222142 in words is "five hundred twenty-five trillion, three hundred fifteen billion, three hundred twenty-three million, two hundred twenty-two thousand, one hundred forty-two".