50111691227136 has 2016 divisors, whose sum is σ = 192542984928000. Its totient is φ = 12922383237120.

The previous prime is 50111691227123. The next prime is 50111691227161. The reversal of 50111691227136 is 63172219611105.

50111691227136 is a `hidden beast` number, since 501 + 1 + 1 + 6 + 9 + 1 + 2 + 2 + 7 + 136 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

It is a super-2 number, since 2×50111691227136² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50111691227091 and 50111691227100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 360515764155 + ... + 360515764293.

It is an arithmetic number, because the mean of its divisors is an integer number (95507433000).

Almost surely, 2^{50111691227136} is an apocalyptic number.

50111691227136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50111691227136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96271492464000).

50111691227136 is an abundant number, since it is smaller than the sum of its proper divisors (142431293700864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50111691227136 is an frugal number, since it uses more digits than its factorization.

50111691227136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 50111691227136 in words is "fifty trillion, one hundred eleven billion, six hundred ninety-one million, two hundred twenty-seven thousand, one hundred thirty-six".