125530852613 has 16 divisors (see below), whose sum is σ = 128309360256. Its totient is φ = 122784936960.

The previous prime is 125530852591. The next prime is 125530852619. The reversal of 125530852613 is 316258035521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125530852613 - 2²⁶ = 125463743749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125530852619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9062573 + ... + 9076413.

It is an arithmetic number, because the mean of its divisors is an integer number (8019335016).

Almost surely, 2^125530852613 is an apocalyptic number.

It is an amenable number.

125530852613 is a deficient number, since it is larger than the sum of its proper divisors (2778507643).

125530852613 is a wasteful number, since it uses less digits than its factorization.

125530852613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 125530852613 in words is "one hundred twenty-five billion, five hundred thirty million, eight hundred fifty-two thousand, six hundred thirteen".