105050066550381 has 6 divisors (see below), whose sum is σ = 151738985017230. Its totient is φ = 70033377700248.

The previous prime is 105050066550337. The next prime is 105050066550397. The reversal of 105050066550381 is 183055660050501.

105050066550381 is a `hidden beast` number, since 1 + 0 + 5 + 0 + 5 + 0 + 0 + 6 + 65 + 503 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 97482230609481 + 7567835940900 = 9873309^2 + 2750970^2 .

It is not a de Polignac number, because 105050066550381 - 2¹⁰ = 105050066549357 is a prime.

It is a super-2 number, since 2×105050066550381² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105050066550301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5836114808346 + ... + 5836114808363.

It is an arithmetic number, because the mean of its divisors is an integer number (25289830836205).

Almost surely, 2^{105050066550381} is an apocalyptic number.

It is an amenable number.

105050066550381 is a deficient number, since it is larger than the sum of its proper divisors (46688918466849).

105050066550381 is a wasteful number, since it uses less digits than its factorization.

105050066550381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11672229616715 (or 11672229616712 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 105050066550381 in words is "one hundred five trillion, fifty billion, sixty-six million, five hundred fifty thousand, three hundred eighty-one".