125886793544 has 8 divisors (see below), whose sum is σ = 236037737910. Its totient is φ = 62943396768.

The previous prime is 125886793531. The next prime is 125886793561. The reversal of 125886793544 is 445397688521.

It can be written as a sum of positive squares in only one way, i.e., 120227240644 + 5659552900 = 346738^2 + 75230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7867924589 + ... + 7867924604.

Almost surely, 2^125886793544 is an apocalyptic number.

It is an amenable number.

125886793544 is a deficient number, since it is larger than the sum of its proper divisors (110150944366).

125886793544 is a wasteful number, since it uses less digits than its factorization.

125886793544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15735849199 (or 15735849195 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 62.

The spelling of 125886793544 in words is "one hundred twenty-five billion, eight hundred eighty-six million, seven hundred ninety-three thousand, five hundred forty-four".