50111729143 has 8 divisors (see below), whose sum is σ = 57682567040. Its totient is φ = 42643896120.

The previous prime is 50111729117. The next prime is 50111729149. The reversal of 50111729143 is 34192711105.

It is a happy number.

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

It is not a de Polignac number, because 50111729143 - 2²¹ = 50109631991 is a prime.

It is a super-2 number, since 2×50111729143² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50111729099 and 50111729108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50111729149) 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, 25750173 + ... + 25752118.

It is an arithmetic number, because the mean of its divisors is an integer number (7210320880).

Almost surely, 2^50111729143 is an apocalyptic number.

50111729143 is a deficient number, since it is larger than the sum of its proper divisors (7570837897).

50111729143 is a wasteful number, since it uses less digits than its factorization.

50111729143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51502437.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 50111729143 in words is "fifty billion, one hundred eleven million, seven hundred twenty-nine thousand, one hundred forty-three".