525858768536768 has 112 divisors (see below), whose sum is σ = 1088468254774656. Its totient is φ = 251871135344640.

The previous prime is 525858768536749. The next prime is 525858768536807. The reversal of 525858768536768 is 867635867858525.

It is a super-2 number, since 2×525858768536768² (a number of 30 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 28093655 + ... + 42906537.

It is an arithmetic number, because the mean of its divisors is an integer number (9718466560488).

Almost surely, 2^{525858768536768} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525858768536768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544234127387328).

525858768536768 is an abundant number, since it is smaller than the sum of its proper divisors (562609486237888).

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

525858768536768 is a wasteful number, since it uses less digits than its factorization.

525858768536768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14813182 (or 14813172 counting only the distinct ones).

The product of its digits is 162570240000, while the sum is 89.

The spelling of 525858768536768 in words is "five hundred twenty-five trillion, eight hundred fifty-eight billion, seven hundred sixty-eight million, five hundred thirty-six thousand, seven hundred sixty-eight".