50111005505 has 8 divisors (see below), whose sum is σ = 65599861824. Its totient is φ = 36444367600.

The previous prime is 50111005499. The next prime is 50111005541. The reversal of 50111005505 is 50550011105.

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 50111005505 - 2⁸ = 50111005249 is a prime.

It is a super-2 number, since 2×50111005505² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455554541 + ... + 455554650.

It is an arithmetic number, because the mean of its divisors is an integer number (8199982728).

Almost surely, 2^50111005505 is an apocalyptic number.

50111005505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50111005505 is a deficient number, since it is larger than the sum of its proper divisors (15488856319).

50111005505 is a wasteful number, since it uses less digits than its factorization.

50111005505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911109207.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 50111005505 in words is "fifty billion, one hundred eleven million, five thousand, five hundred five".