50111551011 has 8 divisors (see below), whose sum is σ = 68237005824. Its totient is φ = 32696898440.

The previous prime is 50111550967. The next prime is 50111551013. The reversal of 50111551011 is 11015511105.

50111551011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50111551011 - 2¹⁸ = 50111288867 is a prime.

It is a super-2 number, since 2×50111551011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50111551013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177700395 + ... + 177700676.

It is an arithmetic number, because the mean of its divisors is an integer number (8529625728).

Almost surely, 2^50111551011 is an apocalyptic number.

50111551011 is a deficient number, since it is larger than the sum of its proper divisors (18125454813).

50111551011 is a wasteful number, since it uses less digits than its factorization.

50111551011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355401121.

The product of its (nonzero) digits is 125, while the sum is 21.

The spelling of 50111551011 in words is "fifty billion, one hundred eleven million, five hundred fifty-one thousand, eleven".