125053504505040 has 80 divisors (see below), whose sum is σ = 387743045856768. Its totient is φ = 33340961899008.

The previous prime is 125053504505011. The next prime is 125053504505113. The reversal of 125053504505040 is 40505405350521.

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

It is a self number, because there is not a number n which added to its sum of digits gives 125053504505040.

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, 50661519 + ... + 53072558.

Almost surely, 2^{125053504505040} is an apocalyptic number.

125053504505040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125053504505040 is an abundant number, since it is smaller than the sum of its proper divisors (262689541351728).

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

125053504505040 is a wasteful number, since it uses less digits than its factorization.

125053504505040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103739116 (or 103739110 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 39.

Adding to 125053504505040 its reverse (40505405350521), we get a palindrome (165558909855561).

The spelling of 125053504505040 in words is "one hundred twenty-five trillion, fifty-three billion, five hundred four million, five hundred five thousand, forty".