50005511110125 has 48 divisors (see below), whose sum is σ = 91844084515248. Its totient is φ = 26166405782400.

The previous prime is 50005511110091. The next prime is 50005511110133. The reversal of 50005511110125 is 52101111550005.

It is a happy number.

50005511110125 is a `hidden beast` number, since 5 + 0 + 0 + 0 + 551 + 1 + 1 + 101 + 2 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 9911654365284 + 40093856744841 = 3148278^2 + 6331971^2 .

It is not a de Polignac number, because 50005511110125 - 2¹² = 50005511106029 is a prime.

It is a super-2 number, since 2×50005511110125² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 419273802 + ... + 419393051.

It is an arithmetic number, because the mean of its divisors is an integer number (1913418427401).

Almost surely, 2^{50005511110125} is an apocalyptic number.

It is an amenable number.

50005511110125 is a deficient number, since it is larger than the sum of its proper divisors (41838573405123).

50005511110125 is a wasteful number, since it uses less digits than its factorization.

50005511110125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838666927 (or 838666914 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 27.

The spelling of 50005511110125 in words is "fifty trillion, five billion, five hundred eleven million, one hundred ten thousand, one hundred twenty-five".