105111477838 has 8 divisors (see below), whose sum is σ = 157673243088. Its totient is φ = 52553730144.

The previous prime is 105111477811. The next prime is 105111477929. The reversal of 105111477838 is 838774111501.

It is a happy number.

105111477838 is digitally balanced in base 3, 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 a super-2 number, since 2×105111477838² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938106 + ... + 1044157.

It is an arithmetic number, because the mean of its divisors is an integer number (19709155386).

Almost surely, 2^105111477838 is an apocalyptic number.

105111477838 is a deficient number, since it is larger than the sum of its proper divisors (52561765250).

105111477838 is a wasteful number, since it uses less digits than its factorization.

105111477838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008778.

The product of its (nonzero) digits is 188160, while the sum is 46.

The spelling of 105111477838 in words is "one hundred five billion, one hundred eleven million, four hundred seventy-seven thousand, eight hundred thirty-eight".