125025243504 has 80 divisors (see below), whose sum is σ = 370654014720. Its totient is φ = 35573253120.

The previous prime is 125025243493. The next prime is 125025243509. The reversal of 125025243504 is 405342520521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125025243509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691014 + ... + 852965.

It is an arithmetic number, because the mean of its divisors is an integer number (4633175184).

Almost surely, 2^125025243504 is an apocalyptic number.

125025243504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125025243504 is an abundant number, since it is smaller than the sum of its proper divisors (245628771216).

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

125025243504 is a wasteful number, since it uses less digits than its factorization.

125025243504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544238 (or 1544232 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 125025243504 in words is "one hundred twenty-five billion, twenty-five million, two hundred forty-three thousand, five hundred four".