125678048081 has 16 divisors (see below), whose sum is σ = 130281364224. Its totient is φ = 121159557504.

The previous prime is 125678048051. The next prime is 125678048129. The reversal of 125678048081 is 180840876521.

It is a cyclic number.

It is not a de Polignac number, because 125678048081 - 2³⁴ = 108498178897 is a prime.

It is a super-2 number, since 2×125678048081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125678048021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2628470 + ... + 2675856.

It is an arithmetic number, because the mean of its divisors is an integer number (8142585264).

Almost surely, 2^125678048081 is an apocalyptic number.

It is an amenable number.

125678048081 is a deficient number, since it is larger than the sum of its proper divisors (4603316143).

125678048081 is an equidigital number, since it uses as much as digits as its factorization.

125678048081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48280.

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 125678048081 in words is "one hundred twenty-five billion, six hundred seventy-eight million, forty-eight thousand, eighty-one".