125811548107 has 32 divisors (see below), whose sum is σ = 155268393984. Its totient is φ = 99595267200.

The previous prime is 125811548101. The next prime is 125811548111. The reversal of 125811548107 is 701845118521.

It is a cyclic number.

It is not a de Polignac number, because 125811548107 - 2¹⁵ = 125811515339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125811548101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 699757 + ... + 860977.

It is an arithmetic number, because the mean of its divisors is an integer number (4852137312).

Almost surely, 2^125811548107 is an apocalyptic number.

125811548107 is a deficient number, since it is larger than the sum of its proper divisors (29456845877).

125811548107 is a wasteful number, since it uses less digits than its factorization.

125811548107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161419.

The product of its (nonzero) digits is 89600, while the sum is 43.

The spelling of 125811548107 in words is "one hundred twenty-five billion, eight hundred eleven million, five hundred forty-eight thousand, one hundred seven".