125475167803544 has 256 divisors, whose sum is σ = 266122218700800. Its totient is φ = 55094698713600.

The previous prime is 125475167803519. The next prime is 125475167803561. The reversal of 125475167803544 is 445308761574521.

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 63 ways as a sum of consecutive naturals, for example, 6424401059 + ... + 6424420589.

It is an arithmetic number, because the mean of its divisors is an integer number (1039539916800).

Almost surely, 2^{125475167803544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125475167803544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133061109350400).

125475167803544 is an abundant number, since it is smaller than the sum of its proper divisors (140647050897256).

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

125475167803544 is a wasteful number, since it uses less digits than its factorization.

125475167803544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19934 (or 19930 counting only the distinct ones).

The product of its (nonzero) digits is 112896000, while the sum is 62.

The spelling of 125475167803544 in words is "one hundred twenty-five trillion, four hundred seventy-five billion, one hundred sixty-seven million, eight hundred three thousand, five hundred forty-four".