125594902525 has 24 divisors (see below), whose sum is σ = 160400329704. Its totient is φ = 97483161600.

The previous prime is 125594902523. The next prime is 125594902553. The reversal of 125594902525 is 525209495521.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 24657164676 + 100937737849 = 157026^2 + 317707^2 .

It is not a de Polignac number, because 125594902525 - 2¹ = 125594902523 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 (125594902523) 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 23 ways as a sum of consecutive naturals, for example, 134205 + ... + 518845.

It is an arithmetic number, because the mean of its divisors is an integer number (6683347071).

Almost surely, 2^125594902525 is an apocalyptic number.

It is an amenable number.

125594902525 is a deficient number, since it is larger than the sum of its proper divisors (34805427179).

125594902525 is a wasteful number, since it uses less digits than its factorization.

125594902525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385041 (or 385036 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 49.

The spelling of 125594902525 in words is "one hundred twenty-five billion, five hundred ninety-four million, nine hundred two thousand, five hundred twenty-five".