125110912077 has 6 divisors (see below), whose sum is σ = 180715761902. Its totient is φ = 83407274712.

The previous prime is 125110912057. The next prime is 125110912109. The reversal of 125110912077 is 770219011521.

125110912077 is a `hidden beast` number, since 12 + 511 + 0 + 9 + 120 + 7 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 122532202116 + 2578709961 = 350046^2 + 50781^2 .

It is not a de Polignac number, because 125110912077 - 2⁷ = 125110911949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125110912057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6950606218 + ... + 6950606235.

Almost surely, 2^125110912077 is an apocalyptic number.

It is an amenable number.

125110912077 is a deficient number, since it is larger than the sum of its proper divisors (55604849825).

125110912077 is a wasteful number, since it uses less digits than its factorization.

125110912077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13901212459 (or 13901212456 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 36.

Adding to 125110912077 its reverse (770219011521), we get a palindrome (895329923598).

The spelling of 125110912077 in words is "one hundred twenty-five billion, one hundred ten million, nine hundred twelve thousand, seventy-seven".