851725418148 has 36 divisors (see below), whose sum is σ = 2348697366288. Its totient is φ = 258098611440.

The previous prime is 851725418147. The next prime is 851725418237. The reversal of 851725418148 is 841814527158.

851725418148 is a `hidden beast` number, since 8 + 5 + 17 + 2 + 541 + 81 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 851725418094 and 851725418103.

It is not an unprimeable number, because it can be changed into a prime (851725418143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1075410486 + ... + 1075411277.

It is an arithmetic number, because the mean of its divisors is an integer number (65241593508).

Almost surely, 2^851725418148 is an apocalyptic number.

It is an amenable number.

851725418148 is an abundant number, since it is smaller than the sum of its proper divisors (1496971948140).

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

851725418148 is a wasteful number, since it uses less digits than its factorization.

851725418148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150821784 (or 2150821779 counting only the distinct ones).

The product of its digits is 2867200, while the sum is 54.

The spelling of 851725418148 in words is "eight hundred fifty-one billion, seven hundred twenty-five million, four hundred eighteen thousand, one hundred forty-eight".