125641165300 has 72 divisors (see below), whose sum is σ = 311870983424. Its totient is φ = 43038138240.

The previous prime is 125641165289. The next prime is 125641165439. The reversal of 125641165300 is 3561146521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 701557 + ... + 862243.

Almost surely, 2^125641165300 is an apocalyptic number.

125641165300 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 125641165300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155935491712).

125641165300 is an abundant number, since it is smaller than the sum of its proper divisors (186229818124).

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

125641165300 is a wasteful number, since it uses less digits than its factorization.

125641165300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161825 (or 161818 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 125641165300 in words is "one hundred twenty-five billion, six hundred forty-one million, one hundred sixty-five thousand, three hundred".