125425313513 has 4 divisors (see below), whose sum is σ = 126194794128. Its totient is φ = 124655832900.

The previous prime is 125425313459. The next prime is 125425313527. The reversal of 125425313513 is 315313524521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125425313513 - 2¹⁰ = 125425312489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125425313213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 384740063 + ... + 384740388.

It is an arithmetic number, because the mean of its divisors is an integer number (31548698532).

Almost surely, 2^125425313513 is an apocalyptic number.

It is an amenable number.

125425313513 is a deficient number, since it is larger than the sum of its proper divisors (769480615).

125425313513 is an equidigital number, since it uses as much as digits as its factorization.

125425313513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769480614.

The product of its digits is 54000, while the sum is 35.

The spelling of 125425313513 in words is "one hundred twenty-five billion, four hundred twenty-five million, three hundred thirteen thousand, five hundred thirteen".