125255520453 has 16 divisors (see below), whose sum is σ = 191684727936. Its totient is φ = 71267393280.

The previous prime is 125255520421. The next prime is 125255520497. The reversal of 125255520453 is 354025552521.

It is not a de Polignac number, because 125255520453 - 2⁵ = 125255520421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125255524453) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12794568 + ... + 12804353.

It is an arithmetic number, because the mean of its divisors is an integer number (11980295496).

Almost surely, 2^125255520453 is an apocalyptic number.

It is an amenable number.

125255520453 is a deficient number, since it is larger than the sum of its proper divisors (66429207483).

125255520453 is a wasteful number, since it uses less digits than its factorization.

125255520453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25599164.

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 125255520453 in words is "one hundred twenty-five billion, two hundred fifty-five million, five hundred twenty thousand, four hundred fifty-three".