125350510630640 has 40 divisors (see below), whose sum is σ = 291800184508080. Its totient is φ = 50078226223616.

The previous prime is 125350510630601. The next prime is 125350510630651. The reversal of 125350510630640 is 46036015053521.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968341574 + ... + 968471013.

It is an arithmetic number, because the mean of its divisors is an integer number (7295004612702).

Almost surely, 2^{125350510630640} is an apocalyptic number.

125350510630640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125350510630640 is an abundant number, since it is smaller than the sum of its proper divisors (166449673877440).

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

125350510630640 is a wasteful number, since it uses less digits than its factorization.

125350510630640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936813409 (or 1936813403 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 125350510630640 in words is "one hundred twenty-five trillion, three hundred fifty billion, five hundred ten million, six hundred thirty thousand, six hundred forty".