125897741536 has 72 divisors (see below), whose sum is σ = 289401131880. Its totient is φ = 53755414272.

The previous prime is 125897741533. The next prime is 125897741569. The reversal of 125897741536 is 635147798521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125897741533) 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, 272551 + ... + 571033.

It is an arithmetic number, because the mean of its divisors is an integer number (4019460165).

Almost surely, 2^125897741536 is an apocalyptic number.

125897741536 is a gapful number since it is divisible by the number (16) 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 125897741536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144700565940).

125897741536 is an abundant number, since it is smaller than the sum of its proper divisors (163503390344).

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

125897741536 is a wasteful number, since it uses less digits than its factorization.

125897741536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298776 (or 298761 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 58.

The spelling of 125897741536 in words is "one hundred twenty-five billion, eight hundred ninety-seven million, seven hundred forty-one thousand, five hundred thirty-six".