125886744579 has 4 divisors (see below), whose sum is σ = 167848992776. Its totient is φ = 83924496384.

The previous prime is 125886744563. The next prime is 125886744593. The reversal of 125886744579 is 975447688521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 125886744579 - 2⁴ = 125886744563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125886744559) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20981124094 + ... + 20981124099.

It is an arithmetic number, because the mean of its divisors is an integer number (41962248194).

Almost surely, 2^125886744579 is an apocalyptic number.

125886744579 is a deficient number, since it is larger than the sum of its proper divisors (41962248197).

125886744579 is an equidigital number, since it uses as much as digits as its factorization.

125886744579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41962248196.

The product of its digits is 135475200, while the sum is 66.

The spelling of 125886744579 in words is "one hundred twenty-five billion, eight hundred eighty-six million, seven hundred forty-four thousand, five hundred seventy-nine".