125425452686 has 4 divisors (see below), whose sum is σ = 188138179032. Its totient is φ = 62712726342.

The previous prime is 125425452679. The next prime is 125425452689. The reversal of 125425452686 is 686254524521.

125425452686 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×125425452686² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125425452689) 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 as a sum of consecutive naturals, namely, 31356363170 + ... + 31356363173.

It is an arithmetic number, because the mean of its divisors is an integer number (47034544758).

Almost surely, 2^125425452686 is an apocalyptic number.

125425452686 is a deficient number, since it is larger than the sum of its proper divisors (62712726346).

125425452686 is an equidigital number, since it uses as much as digits as its factorization.

125425452686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62712726345.

The product of its digits is 4608000, while the sum is 50.

The spelling of 125425452686 in words is "one hundred twenty-five billion, four hundred twenty-five million, four hundred fifty-two thousand, six hundred eighty-six".