125003504000 has 64 divisors (see below), whose sum is σ = 310790001600. Its totient is φ = 50001395200.

The previous prime is 125003503967. The next prime is 125003504027. The reversal of 125003504000 is 405300521.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 3890360 + ... + 3922359.

It is an arithmetic number, because the mean of its divisors is an integer number (4856093775).

Almost surely, 2^125003504000 is an apocalyptic number.

125003504000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125003504000 is an abundant number, since it is smaller than the sum of its proper divisors (185786497600).

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

125003504000 is an frugal number, since it uses more digits than its factorization.

125003504000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812748 (or 7812726 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 125003504000 its reverse (405300521), we get a palindrome (125408804521).

The spelling of 125003504000 in words is "one hundred twenty-five billion, three million, five hundred four thousand".