125771340245 has 16 divisors (see below), whose sum is σ = 151095829248. Its totient is φ = 100503668160.

The previous prime is 125771340187. The next prime is 125771340257. The reversal of 125771340245 is 542043177521.

It is not a de Polignac number, because 125771340245 - 2⁶ = 125771340181 is a prime.

It is a Duffinian number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 27392900 + ... + 27397490.

It is an arithmetic number, because the mean of its divisors is an integer number (9443489328).

Almost surely, 2^125771340245 is an apocalyptic number.

It is an amenable number.

125771340245 is a deficient number, since it is larger than the sum of its proper divisors (25324489003).

125771340245 is a wasteful number, since it uses less digits than its factorization.

125771340245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9580.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 125771340245 in words is "one hundred twenty-five billion, seven hundred seventy-one million, three hundred forty thousand, two hundred forty-five".