5266081312320 has 448 divisors, whose sum is σ = 18285797246976. Its totient is φ = 1278250844160.

The previous prime is 5266081312273. The next prime is 5266081312363. The reversal of 5266081312320 is 232131806625.

It is a happy number.

It is a super-2 number, since 2×5266081312320² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1465648444 + ... + 1465652036.

It is an arithmetic number, because the mean of its divisors is an integer number (40816511712).

Almost surely, 2^{5266081312320} 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 5266081312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9142898623488).

5266081312320 is an abundant number, since it is smaller than the sum of its proper divisors (13019715934656).

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

5266081312320 is a wasteful number, since it uses less digits than its factorization.

5266081312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558 (or 6548 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 5266081312320 in words is "five trillion, two hundred sixty-six billion, eighty-one million, three hundred twelve thousand, three hundred twenty".