50011611061 has 4 divisors (see below), whose sum is σ = 50300695692. Its totient is φ = 49722526432.

The previous prime is 50011611053. The next prime is 50011611103. The reversal of 50011611061 is 16011611005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17654436900 + 32357174161 = 132870^2 + 179881^2 .

It is a cyclic number.

It is not a de Polignac number, because 50011611061 - 2³ = 50011611053 is a prime.

It is a super-2 number, since 2×50011611061² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50011611011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144542056 + ... + 144542401.

It is an arithmetic number, because the mean of its divisors is an integer number (12575173923).

Almost surely, 2^50011611061 is an apocalyptic number.

It is an amenable number.

50011611061 is a deficient number, since it is larger than the sum of its proper divisors (289084631).

50011611061 is a wasteful number, since it uses less digits than its factorization.

50011611061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289084630.

The product of its (nonzero) digits is 180, while the sum is 22.

The spelling of 50011611061 in words is "fifty billion, eleven million, six hundred eleven thousand, sixty-one".