125505510055076 has 12 divisors (see below), whose sum is σ = 220111073494620. Its totient is φ = 62616631913760.

The previous prime is 125505510055039. The next prime is 125505510055099. The reversal of 125505510055076 is 670550015505521.

It can be written as a sum of positive squares in 2 ways, for example, as 27419780232100 + 98085729822976 = 5236390^2 + 9903824^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125505510055076.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34030776371 + ... + 34030780058.

It is an arithmetic number, because the mean of its divisors is an integer number (18342589457885).

Almost surely, 2^{125505510055076} is an apocalyptic number.

It is an amenable number.

125505510055076 is a deficient number, since it is larger than the sum of its proper divisors (94605563439544).

125505510055076 is a wasteful number, since it uses less digits than its factorization.

125505510055076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68061556894 (or 68061556892 counting only the distinct ones).

The product of its (nonzero) digits is 1312500, while the sum is 47.

The spelling of 125505510055076 in words is "one hundred twenty-five trillion, five hundred five billion, five hundred ten million, fifty-five thousand, seventy-six".