8137185745120 has 24 divisors (see below), whose sum is σ = 19224101323224. Its totient is φ = 3254874297984.

The previous prime is 8137185745097. The next prime is 8137185745121. The reversal of 8137185745120 is 215475817318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8137185745121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25428705294 + ... + 25428705613.

It is an arithmetic number, because the mean of its divisors is an integer number (801004221801).

Almost surely, 2^{8137185745120} is an apocalyptic number.

8137185745120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8137185745120 is an abundant number, since it is smaller than the sum of its proper divisors (11086915578104).

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

8137185745120 is a wasteful number, since it uses less digits than its factorization.

8137185745120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50857410922 (or 50857410914 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 52.

The spelling of 8137185745120 in words is "eight trillion, one hundred thirty-seven billion, one hundred eighty-five million, seven hundred forty-five thousand, one hundred twenty".