125202432545 has 24 divisors (see below), whose sum is σ = 153455766840. Its totient is φ = 98052416000.

The previous prime is 125202432533. The next prime is 125202432583. The reversal of 125202432545 is 545234202521.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 12321888016 + 112880544529 = 111004^2 + 335977^2 .

It is a de Polignac number, because none of the positive numbers 2^k-125202432545 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4525655 + ... + 4553235.

It is an arithmetic number, because the mean of its divisors is an integer number (6393990285).

Almost surely, 2^125202432545 is an apocalyptic number.

It is an amenable number.

125202432545 is a deficient number, since it is larger than the sum of its proper divisors (28253334295).

125202432545 is an equidigital number, since it uses as much as digits as its factorization.

125202432545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27877 (or 27776 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 125202432545 in words is "one hundred twenty-five billion, two hundred two million, four hundred thirty-two thousand, five hundred forty-five".