125886793505 has 48 divisors (see below), whose sum is σ = 169182584064. Its totient is φ = 89140316160.

The previous prime is 125886793493. The next prime is 125886793531. The reversal of 125886793505 is 505397688521.

It is a happy number.

It is not a de Polignac number, because 125886793505 - 2¹² = 125886789409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 187052849 + ... + 187053521.

It is an arithmetic number, because the mean of its divisors is an integer number (3524637168).

Almost surely, 2^125886793505 is an apocalyptic number.

It is an amenable number.

125886793505 is a deficient number, since it is larger than the sum of its proper divisors (43295790559).

125886793505 is an equidigital number, since it uses as much as digits as its factorization.

125886793505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 59.

The spelling of 125886793505 in words is "one hundred twenty-five billion, eight hundred eighty-six million, seven hundred ninety-three thousand, five hundred five".