18125714880 has 1344 divisors, whose sum is σ = 83503300608. Its totient is φ = 3503554560.

The previous prime is 18125714869. The next prime is 18125714899. The reversal of 18125714880 is 8841752181.

18125714880 is a `hidden beast` number, since 1 + 81 + 25 + 71 + 488 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a super-2 number, since 2×18125714880² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 186862992 + ... + 186863088.

It is an arithmetic number, because the mean of its divisors is an integer number (62130432).

Almost surely, 2^18125714880 is an apocalyptic number.

18125714880 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 18125714880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41751650304).

18125714880 is an abundant number, since it is smaller than the sum of its proper divisors (65377585728).

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

18125714880 is a wasteful number, since it uses less digits than its factorization.

18125714880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 45.

The spelling of 18125714880 in words is "eighteen billion, one hundred twenty-five million, seven hundred fourteen thousand, eight hundred eighty".