525812118367 has 4 divisors (see below), whose sum is σ = 526239261856. Its totient is φ = 525384974880.

The previous prime is 525812118317. The next prime is 525812118439. The reversal of 525812118367 is 763811218525.

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

It is a cyclic number.

It is not a de Polignac number, because 525812118367 - 2¹⁹ = 525811594079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 525812118367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525812118317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213569898 + ... + 213572359.

It is an arithmetic number, because the mean of its divisors is an integer number (131559815464).

Almost surely, 2^525812118367 is an apocalyptic number.

525812118367 is a deficient number, since it is larger than the sum of its proper divisors (427143489).

525812118367 is a wasteful number, since it uses less digits than its factorization.

525812118367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427143488.

The product of its digits is 806400, while the sum is 49.

The spelling of 525812118367 in words is "five hundred twenty-five billion, eight hundred twelve million, one hundred eighteen thousand, three hundred sixty-seven".