125355030528 has 384 divisors, whose sum is σ = 414537177600. Its totient is φ = 32802471936.

The previous prime is 125355030517. The next prime is 125355030533. The reversal of 125355030528 is 825030553521.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 77714650 + ... + 77716262.

It is an arithmetic number, because the mean of its divisors is an integer number (1079523900).

Almost surely, 2^125355030528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125355030528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207268588800).

125355030528 is an abundant number, since it is smaller than the sum of its proper divisors (289182147072).

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

125355030528 is a wasteful number, since it uses less digits than its factorization.

125355030528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 125355030528 in words is "one hundred twenty-five billion, three hundred fifty-five million, thirty thousand, five hundred twenty-eight".