125252640025 has 12 divisors (see below), whose sum is σ = 155317773312. Its totient is φ = 100199209040.

The previous prime is 125252640017. The next prime is 125252640031. The reversal of 125252640025 is 520046252521.

It is not a de Polignac number, because 125252640025 - 2³ = 125252640017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1369272 + ... + 1457878.

It is an arithmetic number, because the mean of its divisors is an integer number (12943147776).

Almost surely, 2^125252640025 is an apocalyptic number.

It is an amenable number.

125252640025 is a deficient number, since it is larger than the sum of its proper divisors (30065133287).

125252640025 is an equidigital number, since it uses as much as digits as its factorization.

125252640025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145160 (or 145155 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 125252640025 its reverse (520046252521), we get a palindrome (645298892546).

The spelling of 125252640025 in words is "one hundred twenty-five billion, two hundred fifty-two million, six hundred forty thousand, twenty-five".