9885253721504 has 24 divisors (see below), whose sum is σ = 22241820873888. Its totient is φ = 4236537309120.

The previous prime is 9885253721503. The next prime is 9885253721569. The reversal of 9885253721504 is 4051273525889.

It is a happy number.

9885253721504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9885253721504² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9885253721503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22065298262 + ... + 22065298709.

It is an arithmetic number, because the mean of its divisors is an integer number (926742536412).

Almost surely, 2^{9885253721504} is an apocalyptic number.

It is an amenable number.

9885253721504 is an abundant number, since it is smaller than the sum of its proper divisors (12356567152384).

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

9885253721504 is a wasteful number, since it uses less digits than its factorization.

9885253721504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44130596988 (or 44130596980 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 59.

The spelling of 9885253721504 in words is "nine trillion, eight hundred eighty-five billion, two hundred fifty-three million, seven hundred twenty-one thousand, five hundred four".