18822537511008 has 1152 divisors, whose sum is σ = 64703361945600. Its totient is φ = 4784622796800.

The previous prime is 18822537511003. The next prime is 18822537511051. The reversal of 18822537511008 is 80011573522881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18822537511003) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 43671780553 + ... + 43671780983.

It is an arithmetic number, because the mean of its divisors is an integer number (56166112800).

Almost surely, 2^{18822537511008} 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 18822537511008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32351680972800).

18822537511008 is an abundant number, since it is smaller than the sum of its proper divisors (45880824434592).

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

18822537511008 is a wasteful number, since it uses less digits than its factorization.

18822537511008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 51.

The spelling of 18822537511008 in words is "eighteen trillion, eight hundred twenty-two billion, five hundred thirty-seven million, five hundred eleven thousand, eight".