125522820080 has 80 divisors (see below), whose sum is σ = 333593380800. Its totient is φ = 43028484096.

The previous prime is 125522820079. The next prime is 125522820097. The reversal of 125522820080 is 80028225521.

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

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 125522820080.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3594062 + ... + 3628818.

It is an arithmetic number, because the mean of its divisors is an integer number (4169917260).

Almost surely, 2^125522820080 is an apocalyptic number.

125522820080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125522820080 is an abundant number, since it is smaller than the sum of its proper divisors (208070560720).

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

125522820080 is a wasteful number, since it uses less digits than its factorization.

125522820080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41226 (or 41220 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

The spelling of 125522820080 in words is "one hundred twenty-five billion, five hundred twenty-two million, eight hundred twenty thousand, eighty".