125720532080 has 160 divisors (see below), whose sum is σ = 343652379840. Its totient is φ = 42169098240.

The previous prime is 125720532079. The next prime is 125720532107. The reversal of 125720532080 is 80235027521.

It is a self number, because there is not a number n which added to its sum of digits gives 125720532080.

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, 20051186 + ... + 20057454.

It is an arithmetic number, because the mean of its divisors is an integer number (2147827374).

Almost surely, 2^125720532080 is an apocalyptic number.

125720532080 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 125720532080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171826189920).

125720532080 is an abundant number, since it is smaller than the sum of its proper divisors (217931847760).

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

125720532080 is a wasteful number, since it uses less digits than its factorization.

125720532080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8059 (or 8053 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 125720532080 in words is "one hundred twenty-five billion, seven hundred twenty million, five hundred thirty-two thousand, eighty".