525111426664 has 16 divisors (see below), whose sum is σ = 1074091554720. Its totient is φ = 238687012080.

The previous prime is 525111426659. The next prime is 525111426691. The reversal of 525111426664 is 466624111525.

It is a self number, because there is not a number n which added to its sum of digits gives 525111426664.

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 in 3 ways as a sum of consecutive naturals, for example, 2983587564 + ... + 2983587739.

It is an arithmetic number, because the mean of its divisors is an integer number (67130722170).

Almost surely, 2^525111426664 is an apocalyptic number.

It is an amenable number.

525111426664 is an abundant number, since it is smaller than the sum of its proper divisors (548980128056).

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

525111426664 is a wasteful number, since it uses less digits than its factorization.

525111426664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5967175320 (or 5967175316 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The spelling of 525111426664 in words is "five hundred twenty-five billion, one hundred eleven million, four hundred twenty-six thousand, six hundred sixty-four".