125133541530 has 64 divisors (see below), whose sum is σ = 316494397440. Its totient is φ = 31575928896.

The previous prime is 125133541517. The next prime is 125133541541. The reversal of 125133541530 is 35145331521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125133541491 and 125133541500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364719 + ... + 619101.

It is an arithmetic number, because the mean of its divisors is an integer number (4945224960).

Almost surely, 2^125133541530 is an apocalyptic number.

125133541530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125133541530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158247198720).

125133541530 is an abundant number, since it is smaller than the sum of its proper divisors (191360855910).

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

125133541530 is a wasteful number, since it uses less digits than its factorization.

125133541530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255275.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 125133541530 in words is "one hundred twenty-five billion, one hundred thirty-three million, five hundred forty-one thousand, five hundred thirty".