3125545680 has 80 divisors (see below), whose sum is σ = 9872046720. Its totient is φ = 817749504.

The previous prime is 3125545607. The next prime is 3125545723. The reversal of 3125545680 is 865455213.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110140 + ... + 135579.

It is an arithmetic number, because the mean of its divisors is an integer number (123400584).

Almost surely, 2^3125545680 is an apocalyptic number.

3125545680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3125545680 is an abundant number, since it is smaller than the sum of its proper divisors (6746501040).

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

3125545680 is a wasteful number, since it uses less digits than its factorization.

3125545680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245788 (or 245782 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 3125545680 is about 55906.5799347447. The cubic root of 3125545680 is about 1462.0939616470.

The spelling of 3125545680 in words is "three billion, one hundred twenty-five million, five hundred forty-five thousand, six hundred eighty".