125908543104 has 64 divisors (see below), whose sum is σ = 334495079040. Its totient is φ = 41963175936.

The previous prime is 125908543069. The next prime is 125908543177. The reversal of 125908543104 is 401345809521.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×125908543104² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3002409 + ... + 3044055.

It is an arithmetic number, because the mean of its divisors is an integer number (5226485610).

Almost surely, 2^125908543104 is an apocalyptic number.

It is an amenable number.

125908543104 is an abundant number, since it is smaller than the sum of its proper divisors (208586535936).

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

125908543104 is an equidigital number, since it uses as much as digits as its factorization.

125908543104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49537 (or 49525 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 125908543104 in words is "one hundred twenty-five billion, nine hundred eight million, five hundred forty-three thousand, one hundred four".