525014819018 has 4 divisors (see below), whose sum is σ = 787522228530. Its totient is φ = 262507409508.

The previous prime is 525014818987. The next prime is 525014819023. The reversal of 525014819018 is 810918410525.

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

It can be written as a sum of positive squares in only one way, i.e., 503465459809 + 21549359209 = 709553^2 + 146797^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 525014819018.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 131253704753 + ... + 131253704756.

Almost surely, 2^525014819018 is an apocalyptic number.

525014819018 is a deficient number, since it is larger than the sum of its proper divisors (262507409512).

525014819018 is a wasteful number, since it uses less digits than its factorization.

525014819018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262507409511.

The product of its (nonzero) digits is 115200, while the sum is 44.

The spelling of 525014819018 in words is "five hundred twenty-five billion, fourteen million, eight hundred nineteen thousand, eighteen".