125091280385 has 16 divisors (see below), whose sum is σ = 150737775552. Its totient is φ = 99654360000.

The previous prime is 125091280367. The next prime is 125091280397. The reversal of 125091280385 is 583082190521.

It is not a de Polignac number, because 125091280385 - 2¹⁰ = 125091279361 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12428255 + ... + 12438315.

It is an arithmetic number, because the mean of its divisors is an integer number (9421110972).

Almost surely, 2^125091280385 is an apocalyptic number.

It is an amenable number.

125091280385 is a deficient number, since it is larger than the sum of its proper divisors (25646495167).

125091280385 is a wasteful number, since it uses less digits than its factorization.

125091280385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20224.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 125091280385 in words is "one hundred twenty-five billion, ninety-one million, two hundred eighty thousand, three hundred eighty-five".