125359596013 has 4 divisors (see below), whose sum is σ = 125383213980. Its totient is φ = 125335978048.

The previous prime is 125359595971. The next prime is 125359596029. The reversal of 125359596013 is 310695953521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310695953521 = 37 ⋅8397187933.

It can be written as a sum of positive squares in 2 ways, for example, as 58175992809 + 67183603204 = 241197^2 + 259198^2 .

It is a cyclic number.

It is not a de Polignac number, because 125359596013 - 2²⁹ = 124822725101 is a prime.

It is a super-4 number, since 4×125359596013⁴ (a number of 45 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125359596073) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 11801020 + ... + 11811637.

It is an arithmetic number, because the mean of its divisors is an integer number (31345803495).

Almost surely, 2^125359596013 is an apocalyptic number.

It is an amenable number.

125359596013 is a deficient number, since it is larger than the sum of its proper divisors (23617967).

125359596013 is an equidigital number, since it uses as much as digits as its factorization.

125359596013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23617966.

The product of its (nonzero) digits is 1093500, while the sum is 49.

The spelling of 125359596013 in words is "one hundred twenty-five billion, three hundred fifty-nine million, five hundred ninety-six thousand, thirteen".