125155012320 has 288 divisors, whose sum is σ = 475806895200. Its totient is φ = 29744934912.

The previous prime is 125155012319. The next prime is 125155012387. The reversal of 125155012320 is 23210551521.

125155012320 is a `hidden beast` number, since 1 + 2 + 515 + 5 + 0 + 123 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 427611 + ... + 658149.

It is an arithmetic number, because the mean of its divisors is an integer number (1652107275).

Almost surely, 2^125155012320 is an apocalyptic number.

125155012320 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 125155012320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237903447600).

125155012320 is an abundant number, since it is smaller than the sum of its proper divisors (350651882880).

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

125155012320 is a wasteful number, since it uses less digits than its factorization.

125155012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230602 (or 230591 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 125155012320 its reverse (23210551521), we get a palindrome (148365563841).

The spelling of 125155012320 in words is "one hundred twenty-five billion, one hundred fifty-five million, twelve thousand, three hundred twenty".