22521161045000 has 80 divisors (see below), whose sum is σ = 55061301493440. Its totient is φ = 8616792008000.

The previous prime is 22521161044981. The next prime is 22521161045041. The reversal of 22521161045000 is 54016112522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 97803092 + ... + 98033091.

It is an arithmetic number, because the mean of its divisors is an integer number (688266268668).

Almost surely, 2^{22521161045000} is an apocalyptic number.

22521161045000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22521161045000 is an abundant number, since it is smaller than the sum of its proper divisors (32540140448440).

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

22521161045000 is a wasteful number, since it uses less digits than its factorization.

22521161045000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195836232 (or 195836213 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 22521161045000 its reverse (54016112522), we get a palindrome (22575177157522).

The spelling of 22521161045000 in words is "twenty-two trillion, five hundred twenty-one billion, one hundred sixty-one million, forty-five thousand".