28613510755500 has 288 divisors, whose sum is σ = 96973354505664. Its totient is φ = 6528572160000.

The previous prime is 28613510755493. The next prime is 28613510755513. The reversal of 28613510755500 is 555701531682.

It is a super-2 number, since 2×28613510755500² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28613510755500.

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 95 ways as a sum of consecutive naturals, for example, 1551271 + ... + 7722270.

It is an arithmetic number, because the mean of its divisors is an integer number (336713036478).

Almost surely, 2^{28613510755500} is an apocalyptic number.

28613510755500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28613510755500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48486677252832).

28613510755500 is an abundant number, since it is smaller than the sum of its proper divisors (68359843750164).

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

28613510755500 is a wasteful number, since it uses less digits than its factorization.

28613510755500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9273602 (or 9273579 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 48.

The spelling of 28613510755500 in words is "twenty-eight trillion, six hundred thirteen billion, five hundred ten million, seven hundred fifty-five thousand, five hundred".