50120000011 has 4 divisors (see below), whose sum is σ = 50456376000. Its totient is φ = 49783624024.

The previous prime is 50120000009. The next prime is 50120000017. The reversal of 50120000011 is 11000002105.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11000002105 = 5 ⋅2200000421.

It is a cyclic number.

It is not a de Polignac number, because 50120000011 - 2¹ = 50120000009 is a prime.

It is a super-2 number, since 2×50120000011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50120000017) 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, 168187771 + ... + 168188068.

It is an arithmetic number, because the mean of its divisors is an integer number (12614094000).

Almost surely, 2^50120000011 is an apocalyptic number.

50120000011 is a deficient number, since it is larger than the sum of its proper divisors (336375989).

50120000011 is a wasteful number, since it uses less digits than its factorization.

50120000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336375988.

The product of its (nonzero) digits is 10, while the sum is 10.

Adding to 50120000011 its reverse (11000002105), we get a palindrome (61120002116).

The spelling of 50120000011 in words is "fifty billion, one hundred twenty million, eleven", and thus it is an aban number.