125736668784 has 180 divisors, whose sum is σ = 361085133864. Its totient is φ = 40843742976.

The previous prime is 125736668773. The next prime is 125736668797. The reversal of 125736668784 is 487866637521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 88111879 + ... + 88113305.

Almost surely, 2^125736668784 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 125736668784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180542566932).

125736668784 is an abundant number, since it is smaller than the sum of its proper divisors (235348465080).

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

125736668784 is a wasteful number, since it uses less digits than its factorization.

125736668784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812 (or 1756 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 125736668784 in words is "one hundred twenty-five billion, seven hundred thirty-six million, six hundred sixty-eight thousand, seven hundred eighty-four".