18795525120000 has 840 divisors, whose sum is σ = 70364373455376. Its totient is φ = 5011808256000.

The previous prime is 18795525119993. The next prime is 18795525120067. The reversal of 18795525120000 is 2152559781.

18795525120000 is a `hidden beast` number, since 1 + 8 + 79 + 552 + 5 + 1 + 20 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1244152447 + ... + 1244167553.

Almost surely, 2^{18795525120000} is an apocalyptic number.

18795525120000 is a gapful number since it is divisible by the number (10) 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 18795525120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35182186727688).

18795525120000 is an abundant number, since it is smaller than the sum of its proper divisors (51568848335376).

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

18795525120000 is an frugal number, since it uses more digits than its factorization.

18795525120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15168 (or 15117 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 45.

Adding to 18795525120000 its reverse (2152559781), we get a palindrome (18797677679781).

The spelling of 18795525120000 in words is "eighteen trillion, seven hundred ninety-five billion, five hundred twenty-five million, one hundred twenty thousand".