50505451311 has 8 divisors (see below), whose sum is σ = 76960687744. Its totient is φ = 28860257880.

The previous prime is 50505451303. The next prime is 50505451327. The reversal of 50505451311 is 11315450505.

50505451311 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 not a de Polignac number, because 50505451311 - 2³ = 50505451303 is a prime.

It is a super-2 number, since 2×50505451311² (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 (50505451391) 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, 1202510725 + ... + 1202510766.

It is an arithmetic number, because the mean of its divisors is an integer number (9620085968).

Almost surely, 2^50505451311 is an apocalyptic number.

50505451311 is a deficient number, since it is larger than the sum of its proper divisors (26455236433).

50505451311 is a wasteful number, since it uses less digits than its factorization.

50505451311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405021501.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 50505451311 in words is "fifty billion, five hundred five million, four hundred fifty-one thousand, three hundred eleven".